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315255023243 = 23103364336529
BaseRepresentation
bin1001001011001101010…
…10011110011010001011
31010010201122221111112222
410211212222132122023
520131120241220433
6400454241124255
731530212324636
oct4454652363213
91103648844488
10315255023243
11111776273026
125112232968b
1323961458894
141138918cc1d
158301a9ab98
hex4966a9e68b

315255023243 has 16 divisors (see below), whose sum is σ = 332255838720. Its totient is φ = 298530486144.

The previous prime is 315255023203. The next prime is 315255023287. The reversal of 315255023243 is 342320552513.

It is a cyclic number.

It is not a de Polignac number, because 315255023243 - 210 = 315255022219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315255023203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8612003 + ... + 8648531.

It is an arithmetic number, because the mean of its divisors is an integer number (20765989920).

Almost surely, 2315255023243 is an apocalyptic number.

315255023243 is a deficient number, since it is larger than the sum of its proper divisors (17000815477).

315255023243 is a wasteful number, since it uses less digits than its factorization.

315255023243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40298.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 315255023243 its reverse (342320552513), we get a palindrome (657575575756).

The spelling of 315255023243 in words is "three hundred fifteen billion, two hundred fifty-five million, twenty-three thousand, two hundred forty-three".

Divisors: 1 23 103 2369 3643 36529 83789 375229 840167 3762487 8630267 86537201 133075147 3060728381 13706740141 315255023243