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25130023279 is a prime number
BaseRepresentation
bin10111011001110111…
…011011100101101111
32101212100120110012221
4113121313123211233
5402431241221104
615313343340211
71546513446664
oct273167334557
971770513187
1025130023279
11a726274489
124a53bb1667
1324a645c77a
141305751a6b
159c1307c54
hex5d9ddb96f

25130023279 has 2 divisors, whose sum is σ = 25130023280. Its totient is φ = 25130023278.

The previous prime is 25130023253. The next prime is 25130023291. The reversal of 25130023279 is 97232003152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25130023279 - 27 = 25130023151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25130024279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565011639 + 12565011640.

It is an arithmetic number, because the mean of its divisors is an integer number (12565011640).

Almost surely, 225130023279 is an apocalyptic number.

25130023279 is a deficient number, since it is larger than the sum of its proper divisors (1).

25130023279 is an equidigital number, since it uses as much as digits as its factorization.

25130023279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 25130023279 in words is "twenty-five billion, one hundred thirty million, twenty-three thousand, two hundred seventy-nine".