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315202522041 = 341125321072
BaseRepresentation
bin1001001011000111000…
…10001100101110111001
31010010121000011011110000
410211203202030232321
520131013321201131
6400445123543213
731526004142131
oct4454342145671
91103530134400
10315202522041
11111749674100
125110882ab09
1323953605b94
1411382203ac1
1582ec179ce6
hex496388cbb9

315202522041 has 135 divisors (see below), whose sum is σ = 532480211263. Its totient is φ = 185675798880.

The previous prime is 315202521979. The next prime is 315202522057. The reversal of 315202522041 is 140225202513.

The square root of 315202522041 is 561429.

It is a perfect power (a square), and thus also a powerful number.

315202522041 is a `hidden beast` number, since 31 + 520 + 2 + 52 + 20 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 227228589225 + 87973932816 = 476685^2 + 296604^2 .

It is not a de Polignac number, because 315202522041 - 213 = 315202513849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 315202521996 and 315202522014.

It is not an unprimeable number, because it can be changed into a prime (315202722041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 2945817910 + ... + 2945818016.

Almost surely, 2315202522041 is an apocalyptic number.

315202522041 is the 561429-th square number.

315202522041 is the 280715-th centered octagonal number.

It is an amenable number.

315202522041 is a deficient number, since it is larger than the sum of its proper divisors (217277689222).

315202522041 is an equidigital number, since it uses as much as digits as its factorization.

315202522041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 315202522041 its reverse (140225202513), we get a palindrome (455427724554).

The spelling of 315202522041 in words is "three hundred fifteen billion, two hundred two million, five hundred twenty-two thousand, forty-one".

Divisors: 1 3 9 11 27 33 53 81 99 107 121 159 297 321 363 477 583 891 963 1089 1177 1431 1749 2809 2889 3267 3531 4293 5247 5671 6413 8427 8667 9801 10593 11449 12947 15741 17013 19239 25281 30899 31779 34347 38841 47223 51039 57717 62381 75843 92697 95337 103041 116523 125939 153117 173151 187143 227529 278091 300563 309123 339889 349569 377817 459351 519453 561429 606797 686191 834273 901689 927369 1019667 1048707 1133451 1385329 1684287 1820391 2058573 2502819 2705067 3059001 3306193 3400353 4155987 5052861 5461173 6175719 6674767 8115201 9177003 9918579 10201059 12467961 16383519 18527157 20024301 24345603 27531009 29755737 32160241 36368123 37403883 49150557 55581471 60072903 73422437 89267211 96480723 109104369 112211649 180218709 220267311 267801633 289442169 327313107 353762651 540656127 660801933 868326507 981939321 1061287953 1982405799 2604979521 2945817963 3183863859 3891389161 5947217397 9551591577 11674167483 28654774731 35022502449 105067507347 315202522041