Base | Representation |
---|---|
bin | 101111001110011000… |
… | …010010000000100000 |
3 | 11211212212101011220000 |
4 | 233032120102000200 |
5 | 1312322010040333 |
6 | 35143341220000 |
7 | 3443366224452 |
oct | 571630220040 |
9 | 154785334800 |
10 | 50707111968 |
11 | 1a56092a807 |
12 | 99b1861600 |
13 | 4a213cc286 |
14 | 26505da2d2 |
15 | 14bb9be713 |
hex | bce612020 |
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".
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