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331040881138 = 21141935912441
BaseRepresentation
bin1001101000100111001…
…00101111100111110010
31011122110210211011121111
410310103210233213302
520410432431144023
6412024510543534
732626334030152
oct4642344574762
91148423734544
10331040881138
11118436a46780
12541a8b07baa
13252a8a457b6
14120458da762
15892789200d
hex4d1392f9f2

331040881138 has 16 divisors (see below), whose sum is σ = 542996123040. Its totient is φ = 150113999200.

The previous prime is 331040881123. The next prime is 331040881159. The reversal of 331040881138 is 831188040133.

It is a self number, because there is not a number n which added to its sum of digits gives 331040881138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17947003 + ... + 17965438.

It is an arithmetic number, because the mean of its divisors is an integer number (33937257690).

Almost surely, 2331040881138 is an apocalyptic number.

331040881138 is a deficient number, since it is larger than the sum of its proper divisors (211955241902).

331040881138 is a wasteful number, since it uses less digits than its factorization.

331040881138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35912873.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 331040881138 in words is "three hundred thirty-one billion, forty million, eight hundred eighty-one thousand, one hundred thirty-eight".

Divisors: 1 2 11 22 419 838 4609 9218 35912441 71824882 395036851 790073702 15047312779 30094625558 165520440569 331040881138