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50143284072 = 23327214212949
BaseRepresentation
bin101110101100110001…
…011100101101101000
311210102120102202102100
4232230301130231220
51310143140042242
635011400333400
73423411611400
oct565461345550
9153376382370
1050143284072
111a2a1638542
129874a74260
134961659abb
1425d978b800
15148724954c
hexbacc5cb68

50143284072 has 72 divisors (see below), whose sum is σ = 157976939250. Its totient is φ = 14326651584.

The previous prime is 50143284043. The next prime is 50143284073. The reversal of 50143284072 is 27048234105.

It is a happy number.

50143284072 is a `hidden beast` number, since 501 + 4 + 3 + 2 + 84 + 0 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25164745956 + 24978538116 = 158634^2 + 158046^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (50143284073) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 7102947 + ... + 7110002.

Almost surely, 250143284072 is an apocalyptic number.

It is an amenable number.

50143284072 is an abundant number, since it is smaller than the sum of its proper divisors (107833655178).

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

50143284072 is a wasteful number, since it uses less digits than its factorization.

50143284072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14212975 (or 14212961 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 50143284072 in words is "fifty billion, one hundred forty-three million, two hundred eighty-four thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 168 196 252 294 392 441 504 588 882 1176 1764 3528 14212949 28425898 42638847 56851796 85277694 99490643 113703592 127916541 170555388 198981286 255833082 298471929 341110776 397962572 511666164 596943858 696434501 795925144 895415787 1023332328 1193887716 1392869002 1790831574 2089303503 2387775432 2785738004 3581663148 4178607006 5571476008 6267910509 7163326296 8357214012 12535821018 16714428024 25071642036 50143284072