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57026189965 = 531367910903
BaseRepresentation
bin110101000111000001…
…101001101010001101
312110012020211121021211
4311013001221222031
51413242201034330
642110353054421
74056106421413
oct650701515215
9173166747254
1057026189965
1122203885618
12b075b57411
1354ba615694
142a8d9472b3
15173b633d2a
hexd47069a8d

57026189965 has 8 divisors (see below), whose sum is σ = 70638893568. Its totient is φ = 44149308240.

The previous prime is 57026189951. The next prime is 57026189989. The reversal of 57026189965 is 56998162075.

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

It is not a de Polignac number, because 57026189965 - 27 = 57026189837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 183955297 + ... + 183955606.

It is an arithmetic number, because the mean of its divisors is an integer number (8829861696).

Almost surely, 257026189965 is an apocalyptic number.

It is an amenable number.

57026189965 is a deficient number, since it is larger than the sum of its proper divisors (13612703603).

57026189965 is a wasteful number, since it uses less digits than its factorization.

57026189965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367910939.

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 57026189965 in words is "fifty-seven billion, twenty-six million, one hundred eighty-nine thousand, nine hundred sixty-five".

Divisors: 1 5 31 155 367910903 1839554515 11405237993 57026189965