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25163130952051 = 389105296143671
BaseRepresentation
bin1011011100010101111110…
…11110110101100101110011
310022002120102212020121211221
411232022333132311211303
511244233043010431201
6125303441025045511
75204655562010251
oct556127736654563
9108076385217757
1025163130952051
11802169546a334
1229a4949786897
131106b47189061
1462dc8b28b5d1
152d983dd544a1
hex16e2bf7b5973

25163130952051 has 8 divisors (see below), whose sum is σ = 25230217802400. Its totient is φ = 25096056410880.

The previous prime is 25163130952019. The next prime is 25163130952081. The reversal of 25163130952051 is 15025903136152.

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 25163130952051 - 25 = 25163130952019 is a prime.

It is a super-2 number, since 2×251631309520512 (a number of 28 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 25163130952051 parts by 7094100 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25163130951989 and 25163130952007.

It is not an unprimeable number, because it can be changed into a prime (25163130952081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023946 + ... + 7167616.

It is an arithmetic number, because the mean of its divisors is an integer number (3153777225300).

Almost surely, 225163130952051 is an apocalyptic number.

25163130952051 is the 4095781-st pentagonal number.

25163130952051 is a deficient number, since it is larger than the sum of its proper divisors (67086850349).

25163130952051 is a wasteful number, since it uses less digits than its factorization.

25163130952051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154589.

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 25163130952051 in words is "twenty-five trillion, one hundred sixty-three billion, one hundred thirty million, nine hundred fifty-two thousand, fifty-one".

Divisors: 1 389 10529 4095781 6143671 2389888019 64686711959 25163130952051