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25755010972 = 2210316245153
BaseRepresentation
bin10111111111000111…
…100100011110011100
32110110220121010011021
4113333013210132130
5410221240322342
615455351133524
71601142660355
oct277707443634
973426533137
1025755010972
11aa17039a39
124ba93742a4
132575a96a82
141364760d2c
15a0b10e567
hex5ff1e479c

25755010972 has 12 divisors (see below), whose sum is σ = 45114992496. Its totient is φ = 12865013120.

The previous prime is 25755010921. The next prime is 25755010973. The reversal of 25755010972 is 27901055752.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25755010973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118453 + ... + 3126700.

It is an arithmetic number, because the mean of its divisors is an integer number (3759582708).

Almost surely, 225755010972 is an apocalyptic number.

It is an amenable number.

25755010972 is a deficient number, since it is larger than the sum of its proper divisors (19359981524).

25755010972 is a wasteful number, since it uses less digits than its factorization.

25755010972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246188 (or 6246186 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 43.

The spelling of 25755010972 in words is "twenty-five billion, seven hundred fifty-five million, ten thousand, nine hundred seventy-two".

Divisors: 1 2 4 1031 2062 4124 6245153 12490306 24980612 6438752743 12877505486 25755010972