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133131121332012 = 223311681105529969
BaseRepresentation
bin11110010001010100000001…
…001100100000111100101100
3122110101012200202012101012000
4132101110001030200330230
5114422210014030111022
61151051332014412300
740020256202663466
oct3621240114407454
9573335622171160
10133131121332012
11394686562a8401
1212b21853201090
13593929839907b
1424c381b453136
15105d0a52ec6ac
hex791501320f2c

133131121332012 has 48 divisors (see below), whose sum is σ = 345184310671200. Its totient is φ = 44373240944640.

The previous prime is 133131121331963. The next prime is 133131121332043. The reversal of 133131121332012 is 210233121131331.

133131121332012 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 311 + 2 + 1 + 332 + 0 + 12 = 666.

It is a super-2 number, since 2×1331311213320122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51503437 + ... + 54026532.

It is an arithmetic number, because the mean of its divisors is an integer number (7191339805650).

Almost surely, 2133131121332012 is an apocalyptic number.

133131121332012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133131121332012 is an abundant number, since it is smaller than the sum of its proper divisors (212053189339188).

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

133131121332012 is a wasteful number, since it uses less digits than its factorization.

133131121332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105541663 (or 105541655 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 133131121332012 its reverse (210233121131331), we get a palindrome (343364242463343).

The spelling of 133131121332012 in words is "one hundred thirty-three trillion, one hundred thirty-one billion, one hundred twenty-one million, three hundred thirty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 11681 23362 35043 46724 70086 105129 140172 210258 315387 420516 630774 1261548 105529969 211059938 316589907 422119876 633179814 949769721 1266359628 1899539442 2849309163 3799078884 5698618326 11397236652 1232695567889 2465391135778 3698086703667 4930782271556 7396173407334 11094260111001 14792346814668 22188520222002 33282780333003 44377040444004 66565560666006 133131121332012