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13112213044 = 22719127194071
BaseRepresentation
bin11000011011000110…
…00111111000110100
31020211210221102211011
430031203013320310
5203323211304134
610005040122004
7642634654240
oct141543077064
936753842734
1013112213044
115619558807
12265b306304
13130c700458
148c5619420
1551b21a264
hex30d8c7e34

13112213044 has 48 divisors (see below), whose sum is σ = 27822161920. Its totient is φ = 5281809120.

The previous prime is 13112213011. The next prime is 13112213053. The reversal of 13112213044 is 44031221131.

13112213044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131122130442 (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 29472 + ... + 164599.

Almost surely, 213112213044 is an apocalyptic number.

13112213044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13112213044 is an abundant number, since it is smaller than the sum of its proper divisors (14709948876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13112213044 is a wasteful number, since it uses less digits than its factorization.

13112213044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194228 (or 194226 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13112213044 its reverse (44031221131), we get a palindrome (57143434175).

The spelling of 13112213044 in words is "thirteen billion, one hundred twelve million, two hundred thirteen thousand, forty-four".

Divisors: 1 2 4 7 14 19 28 38 76 127 133 254 266 508 532 889 1778 2413 3556 4826 9652 16891 33782 67564 194071 388142 776284 1358497 2716994 3687349 5433988 7374698 14749396 24647017 25811443 49294034 51622886 98588068 103245772 172529119 345058238 468293323 690116476 936586646 1873173292 3278053261 6556106522 13112213044