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50707111968 = 253444232
BaseRepresentation
bin101111001110011000…
…010010000000100000
311211212212101011220000
4233032120102000200
51312322010040333
635143341220000
73443366224452
oct571630220040
9154785334800
1050707111968
111a56092a807
1299b1861600
134a213cc286
1426505da2d2
1514bb9be713
hexbce612020

50707111968 has 90 divisors (see below), whose sum is σ = 149161931919. Its totient is φ = 16898549184.

The previous prime is 50707111957. The next prime is 50707111969. The reversal of 50707111968 is 86911170705.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

50707111968 is a `hidden beast` number, since 507 + 0 + 71 + 1 + 19 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25353555984 + 25353555984 = 159228^2 + 159228^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=159228.

It is a super-2 number, since 2×507071119682 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50707111969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 11462205 + ... + 11466627.

Almost surely, 250707111968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50707111968

50707111968 is an abundant number, since it is smaller than the sum of its proper divisors (98454819951).

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

50707111968 is an frugal number, since it uses more digits than its factorization.

50707111968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868 (or 4428 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 45.

The spelling of 50707111968 in words is "fifty billion, seven hundred seven million, one hundred eleven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 4423 8846 13269 17692 26538 35384 39807 53076 70768 79614 106152 119421 141536 159228 212304 238842 318456 358263 424608 477684 636912 716526 955368 1273824 1433052 1910736 2866104 3821472 5732208 11464416 19562929 39125858 58688787 78251716 117377574 156503432 176066361 234755148 313006864 352132722 469510296 528199083 626013728 704265444 939020592 1056398166 1408530888 1584597249 1878041184 2112796332 2817061776 3169194498 4225592664 5634123552 6338388996 8451185328 12676777992 16902370656 25353555984 50707111968