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380161638398 = 231227187114437
BaseRepresentation
bin1011000100000110110…
…01100011111111111110
31100100021010012011221102
411202003121203333332
522212032334412043
6450351023133102
736315521416043
oct5420331437776
91310233164842
10380161638398
11137253374733
1261817444192
1329b065a8b39
14145855551ca
159d4ee5a6b8
hex5883663ffe

380161638398 has 32 divisors (see below), whose sum is σ = 591587463168. Its totient is φ = 183028269600.

The previous prime is 380161638343. The next prime is 380161638407. The reversal of 380161638398 is 893836161083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26325236 + ... + 26339672.

It is an arithmetic number, because the mean of its divisors is an integer number (18487108224).

Almost surely, 2380161638398 is an apocalyptic number.

380161638398 is a deficient number, since it is larger than the sum of its proper divisors (211425824770).

380161638398 is a wasteful number, since it uses less digits than its factorization.

380161638398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16568.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 380161638398 in words is "three hundred eighty billion, one hundred sixty-one million, six hundred thirty-eight thousand, three hundred ninety-eight".

Divisors: 1 2 31 62 227 454 1871 3742 7037 14074 14437 28874 58001 116002 424717 447547 849434 895094 3277199 6554398 13166227 26332454 27011627 54023254 101593169 203186338 837360437 1674720874 6131639329 12263278658 190080819199 380161638398