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275081805050 = 252131724894281
BaseRepresentation
bin1000000000011000010…
…01110011110011111010
3222022000220221120100212
410000030021303303322
514001331420230200
6330212033431122
725605532522553
oct4001411636372
9868026846325
10275081805050
11a6730564658
124539040b4a2
131cc2b538260
14d4579b132a
15724ec9a035
hex400c273cfa

275081805050 has 48 divisors (see below), whose sum is σ = 583422392952. Its totient is φ = 95594035200.

The previous prime is 275081804983. The next prime is 275081805059. The reversal of 275081805050 is 50508180572.

It can be written as a sum of positive squares in 12 ways, for example, as 60306098329 + 214775706721 = 245573^2 + 463439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 275081804989 and 275081805007.

It is not an unprimeable number, because it can be changed into a prime (275081805059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12436091 + ... + 12458190.

Almost surely, 2275081805050 is an apocalyptic number.

275081805050 is an abundant number, since it is smaller than the sum of its proper divisors (308340587902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275081805050 is a wasteful number, since it uses less digits than its factorization.

275081805050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24894323 (or 24894318 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 41.

The spelling of 275081805050 in words is "two hundred seventy-five billion, eighty-one million, eight hundred five thousand, fifty".

Divisors: 1 2 5 10 13 17 25 26 34 50 65 85 130 170 221 325 425 442 650 850 1105 2210 5525 11050 24894281 49788562 124471405 248942810 323625653 423202777 622357025 647251306 846405554 1244714050 1618128265 2116013885 3236256530 4232027770 5501636101 8090641325 10580069425 11003272202 16181282650 21160138850 27508180505 55016361010 137540902525 275081805050