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25750940813 = 1313914250659
BaseRepresentation
bin10111111110111000…
…000010110010001101
32110110121221022221122
4113332320002302031
5410214220101223
615455124010325
71601063246123
oct277670026215
973417838848
1025750940813
11aa14809a74
124ba7b309a5
132574ca02b0
141363dc1913
15a0aaa85c8
hex5fee02c8d

25750940813 has 8 divisors (see below), whose sum is σ = 27931293600. Its totient is φ = 23599089648.

The previous prime is 25750940773. The next prime is 25750940819. The reversal of 25750940813 is 31804905752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25750940813 - 28 = 25750940557 is a prime.

It is a super-2 number, since 2×257509408132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25750940819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7123523 + ... + 7127136.

It is an arithmetic number, because the mean of its divisors is an integer number (3491411700).

Almost surely, 225750940813 is an apocalyptic number.

It is an amenable number.

25750940813 is a deficient number, since it is larger than the sum of its proper divisors (2180352787).

25750940813 is a wasteful number, since it uses less digits than its factorization.

25750940813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14250811.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 25750940813 in words is "twenty-five billion, seven hundred fifty million, nine hundred forty thousand, eight hundred thirteen".

Divisors: 1 13 139 1807 14250659 185258567 1980841601 25750940813