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25545552041 = 1919722929803
BaseRepresentation
bin10111110010101000…
…100011000010101001
32102221022110111112002
4113302220203002221
5404304130131131
615422505500345
71563020416052
oct276250430251
972838414462
1025545552041
11a919886389
124b4b1a16b5
13254157a289
1413449d9729
159e7a376cb
hex5f2a230a9

25545552041 has 16 divisors (see below), whose sum is σ = 27145483200. Its totient is φ = 23972251968.

The previous prime is 25545552031. The next prime is 25545552047. The reversal of 25545552041 is 14025554552.

It is not a de Polignac number, because 25545552041 - 230 = 24471810217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25545551986 and 25545552004.

It is not an unprimeable number, because it can be changed into a prime (25545552047) 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, 842246 + ... + 872048.

It is an arithmetic number, because the mean of its divisors is an integer number (1696592700).

Almost surely, 225545552041 is an apocalyptic number.

It is an amenable number.

25545552041 is a deficient number, since it is larger than the sum of its proper divisors (1599931159).

25545552041 is a wasteful number, since it uses less digits than its factorization.

25545552041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30248.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 25545552041 in words is "twenty-five billion, five hundred forty-five million, five hundred fifty-two thousand, forty-one".

Divisors: 1 19 197 229 3743 4351 29803 45113 566257 857147 5871191 6824887 111552629 129672853 1344502739 25545552041