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380865013255639 = 1134624092114149
BaseRepresentation
bin101011010011001010000101…
…1110100101000110111010111
31211221112100011121211221002201
41112212110023310220313113
5344410043021343140024
63430010545512545331
7143136406036144003
oct12646241364506727
91757470147757081
10380865013255639
1110039aa439415a0
12368722363b2247
1313469555490b23
146a09d71d57703
152e0728deb1744
hex15a650bd28dd7

380865013255639 has 4 divisors (see below), whose sum is σ = 415489105369800. Its totient is φ = 346240921141480.

The previous prime is 380865013255631. The next prime is 380865013255663. The reversal of 380865013255639 is 936552310568083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380865013255639 - 23 = 380865013255631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380865013255631) 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, 17312046057064 + ... + 17312046057085.

It is an arithmetic number, because the mean of its divisors is an integer number (103872276342450).

Almost surely, 2380865013255639 is an apocalyptic number.

380865013255639 is a deficient number, since it is larger than the sum of its proper divisors (34624092114161).

380865013255639 is a wasteful number, since it uses less digits than its factorization.

380865013255639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34624092114160.

The product of its (nonzero) digits is 139968000, while the sum is 64.

The spelling of 380865013255639 in words is "three hundred eighty trillion, eight hundred sixty-five billion, thirteen million, two hundred fifty-five thousand, six hundred thirty-nine".

Divisors: 1 11 34624092114149 380865013255639