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25008265020 = 2235416804417
BaseRepresentation
bin10111010010100110…
…111101011100111100
32101112212110111021210
4113102212331130330
5402204103440040
615253313524420
71543504513434
oct272246753474
971485414253
1025008265020
11a673571722
124a1b273710
13248716b46b
1412d34d92c4
159b57a6480
hex5d29bd73c

25008265020 has 24 divisors (see below), whose sum is σ = 70023142224. Its totient is φ = 6668870656.

The previous prime is 25008264997. The next prime is 25008265039. The reversal of 25008265020 is 2056280052.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 208402149 + ... + 208402268.

It is an arithmetic number, because the mean of its divisors is an integer number (2917630926).

Almost surely, 225008265020 is an apocalyptic number.

25008265020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25008265020 is an abundant number, since it is smaller than the sum of its proper divisors (45014877204).

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

25008265020 is a wasteful number, since it uses less digits than its factorization.

25008265020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416804429 (or 416804427 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 25008265020 in words is "twenty-five billion, eight million, two hundred sixty-five thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 416804417 833608834 1250413251 1667217668 2084022085 2500826502 4168044170 5001653004 6252066255 8336088340 12504132510 25008265020