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25002525052 = 22127177727697
BaseRepresentation
bin10111010010010001…
…000100000101111100
32101112110122212112101
4113102101010011330
5402201121300202
615252550514444
71543404646021
oct272221040574
971473585471
1025002525052
11a67030114a
124a19365a24
132485c0b92b
1412d2843548
159b5020887
hex5d244417c

25002525052 has 24 divisors (see below), whose sum is σ = 44125351424. Its totient is φ = 12395400192.

The previous prime is 25002525047. The next prime is 25002525083. The reversal of 25002525052 is 25052520052.

It is a self number, because there is not a number n which added to its sum of digits gives 25002525052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888868 + ... + 916564.

Almost surely, 225002525052 is an apocalyptic number.

It is an amenable number.

25002525052 is a deficient number, since it is larger than the sum of its proper divisors (19122826372).

25002525052 is a wasteful number, since it uses less digits than its factorization.

25002525052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29605 (or 29603 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

Subtracting 25002525052 from its reverse (25052520052), we obtain a triangular number (49995000 = T9999).

The spelling of 25002525052 in words is "twenty-five billion, two million, five hundred twenty-five thousand, fifty-two".

Divisors: 1 2 4 127 254 508 1777 3554 7108 27697 55394 110788 225679 451358 902716 3517519 7035038 14070076 49217569 98435138 196870276 6250631263 12501262526 25002525052