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50120651464 = 2313617900481
BaseRepresentation
bin101110101011011011…
…000111001011001000
311210100222211220022121
4232223123013023020
51310121341321324
635005231301024
73423015336202
oct565333071310
9153328756277
1050120651464
111a28a88a304
12986937a774
134959a64320
1425d6779772
1514852785e4
hexbab6c72c8

50120651464 has 32 divisors (see below), whose sum is σ = 102864275640. Its totient is φ = 22753382400.

The previous prime is 50120651447. The next prime is 50120651467. The reversal of 50120651464 is 46415602105.

It can be written as a sum of positive squares in 4 ways, for example, as 37183408900 + 12937242564 = 192830^2 + 113742^2 .

It is not an unprimeable number, because it can be changed into a prime (50120651467) 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 7 ways as a sum of consecutive naturals, for example, 3943897 + ... + 3956584.

Almost surely, 250120651464 is an apocalyptic number.

It is an amenable number.

50120651464 is an abundant number, since it is smaller than the sum of its proper divisors (52743624176).

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

50120651464 is a wasteful number, since it uses less digits than its factorization.

50120651464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900561 (or 7900557 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 50120651464 in words is "fifty billion, one hundred twenty million, six hundred fifty-one thousand, four hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 61 104 122 244 488 793 1586 3172 6344 7900481 15800962 31601924 63203848 102706253 205412506 410825012 481929341 821650024 963858682 1927717364 3855434728 6265081433 12530162866 25060325732 50120651464