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25130739792 = 243523557079
BaseRepresentation
bin10111011001111010…
…001010100001010000
32101212101220212002110
4113121322022201100
5402431432133132
615313410545320
71546522522644
oct273172124120
971771825073
1025130739792
11a726713844
124a54298240
1324a6650942
14130589ac24
159c13ea1cc
hex5d9e8a850

25130739792 has 20 divisors (see below), whose sum is σ = 64921077920. Its totient is φ = 8376913248.

The previous prime is 25130739769. The next prime is 25130739817. The reversal of 25130739792 is 29793703152.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 523557079 = 25130739792 / (2 + 5 + 1 + 3 + 0 + 7 + 3 + 9 + 7 + 9 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261778492 + ... + 261778587.

It is an arithmetic number, because the mean of its divisors is an integer number (3246053896).

Almost surely, 225130739792 is an apocalyptic number.

It is an amenable number.

25130739792 is an abundant number, since it is smaller than the sum of its proper divisors (39790338128).

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

25130739792 is a wasteful number, since it uses less digits than its factorization.

25130739792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523557090 (or 523557084 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 48.

The spelling of 25130739792 in words is "twenty-five billion, one hundred thirty million, seven hundred thirty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 523557079 1047114158 1570671237 2094228316 3141342474 4188456632 6282684948 8376913264 12565369896 25130739792