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25790649213 = 371228126153
BaseRepresentation
bin11000000001001111…
…100001001101111101
32110120101122201122010
4120001033201031331
5410304401233323
615503103041433
71602054621060
oct300117411575
973511581563
1025790649213
11aa3517052a
124bb92a0279
1325802941a4
14136939a8d7
15a0e2edc93
hex6013e137d

25790649213 has 8 divisors (see below), whose sum is σ = 39300036928. Its totient is φ = 14737513824.

The previous prime is 25790649211. The next prime is 25790649233. The reversal of 25790649213 is 31294609752.

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

It is not a de Polignac number, because 25790649213 - 21 = 25790649211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25790649211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614063056 + ... + 614063097.

It is an arithmetic number, because the mean of its divisors is an integer number (4912504616).

Almost surely, 225790649213 is an apocalyptic number.

It is an amenable number.

25790649213 is a deficient number, since it is larger than the sum of its proper divisors (13509387715).

25790649213 is a wasteful number, since it uses less digits than its factorization.

25790649213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228126163.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 25790649213 in words is "twenty-five billion, seven hundred ninety million, six hundred forty-nine thousand, two hundred thirteen".

Divisors: 1 3 7 21 1228126153 3684378459 8596883071 25790649213