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133764042888 = 23327265404847
BaseRepresentation
bin111110010010011110…
…1010101000010001000
3110210021020122102202200
41330210331111002020
54142422043333023
6141241135400200
712443540414220
oct1744475250210
9423236572680
10133764042888
1151802351283
1221b11383060
13c7c995c648
14668d35b080
15372d52a743
hex1f24f55088

133764042888 has 48 divisors (see below), whose sum is σ = 414031562880. Its totient is φ = 38218297824.

The previous prime is 133764042883. The next prime is 133764042959. The reversal of 133764042888 is 888240467331.

133764042888 is a `hidden beast` number, since 1 + 33 + 76 + 40 + 428 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (133764042883) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 132701920 + ... + 132702927.

It is an arithmetic number, because the mean of its divisors is an integer number (8625657560).

Almost surely, 2133764042888 is an apocalyptic number.

133764042888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133764042888 is an abundant number, since it is smaller than the sum of its proper divisors (280267519992).

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

133764042888 is a wasteful number, since it uses less digits than its factorization.

133764042888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265404866 (or 265404859 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 133764042888 in words is "one hundred thirty-three billion, seven hundred sixty-four million, forty-two thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 265404847 530809694 796214541 1061619388 1592429082 1857833929 2123238776 2388643623 3184858164 3715667858 4777287246 5573501787 6369716328 7431335716 9554574492 11147003574 14862671432 16720505361 19109148984 22294007148 33441010722 44588014296 66882021444 133764042888