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379887067964161 = 3112254421547231
BaseRepresentation
bin101011001100000010101100…
…1101111011010001100000001
31211211001211220221020210002001
41112120011121233122030001
5344243032203344323121
63423541413151224001
7143005635453261502
oct12630053157321401
91754054827223061
10379887067964161
1110005322325963a
12367347aa518001
13133c8273490894
1469b48bca52ba9
152ddbb03a83991
hex1598159bda301

379887067964161 has 4 divisors (see below), whose sum is σ = 392141489511424. Its totient is φ = 367632646416900.

The previous prime is 379887067964153. The next prime is 379887067964177. The reversal of 379887067964161 is 161469760788973.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 379887067964161 - 23 = 379887067964153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379887067964101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6127210773585 + ... + 6127210773646.

It is an arithmetic number, because the mean of its divisors is an integer number (98035372377856).

Almost surely, 2379887067964161 is an apocalyptic number.

379887067964161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

379887067964161 is a deficient number, since it is larger than the sum of its proper divisors (12254421547263).

379887067964161 is a wasteful number, since it uses less digits than its factorization.

379887067964161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12254421547262.

The product of its (nonzero) digits is 4608866304, while the sum is 82.

The spelling of 379887067964161 in words is "three hundred seventy-nine trillion, eight hundred eighty-seven billion, sixty-seven million, nine hundred sixty-four thousand, one hundred sixty-one".

Divisors: 1 31 12254421547231 379887067964161