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25555298043 = 31131157159113
BaseRepresentation
bin10111110011001101…
…101110011011111011
32102221222210122112010
4113303031232123323
5404314124014133
615423454421003
71563166310052
oct276315563373
972858718463
1025555298043
11a924332730
124b52501763
1325435b0342
141346015399
159e8810263
hex5f336e6fb

25555298043 has 32 divisors (see below), whose sum is σ = 38615058432. Its totient is φ = 14892883200.

The previous prime is 25555298039. The next prime is 25555298063. The reversal of 25555298043 is 34089255552.

It is not a de Polignac number, because 25555298043 - 22 = 25555298039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25555297983 and 25555298001.

It is not an unprimeable number, because it can be changed into a prime (25555298023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81055 + ... + 240167.

It is an arithmetic number, because the mean of its divisors is an integer number (1206720576).

Almost surely, 225555298043 is an apocalyptic number.

25555298043 is a deficient number, since it is larger than the sum of its proper divisors (13059760389).

25555298043 is a wasteful number, since it uses less digits than its factorization.

25555298043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159315.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 25555298043 in words is "twenty-five billion, five hundred fifty-five million, two hundred ninety-eight thousand, forty-three".

Divisors: 1 3 11 31 33 93 157 341 471 1023 1727 4867 5181 14601 53537 159113 160611 477339 1750243 4932503 5250729 14797509 24980741 54257533 74942223 162772599 274788151 774402971 824364453 2323208913 8518432681 25555298043