Base | Representation |
---|---|
bin | 101110111010110101… |
… | …000101010110100000 |
3 | 11211001000012100201200 |
4 | 232322311011112200 |
5 | 1311134023233414 |
6 | 35051023201200 |
7 | 3432304302666 |
oct | 567265052640 |
9 | 154030170650 |
10 | 50379117984 |
11 | 1a402775aa8 |
12 | 991ba46200 |
13 | 499b47c5b0 |
14 | 261cc1ac36 |
15 | 149ccd1109 |
hex | bbad455a0 |
50379117984 has 144 divisors (see below), whose sum is σ = 154431242784. Its totient is φ = 15486681600.
The previous prime is 50379117983. The next prime is 50379117989. The reversal of 50379117984 is 48971197305.
It is a happy number.
50379117984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (144).
It is a self number, because there is not a number n which added to its sum of digits gives 50379117984.
It is not an unprimeable number, because it can be changed into a prime (50379117983) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4378479 + ... + 4389969.
It is an arithmetic number, because the mean of its divisors is an integer number (1072439186).
Almost surely, 250379117984 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 50379117984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77215621392).
50379117984 is an abundant number, since it is smaller than the sum of its proper divisors (104052124800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50379117984 is a wasteful number, since it uses less digits than its factorization.
50379117984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12691 (or 12680 counting only the distinct ones).
The product of its (nonzero) digits is 1905120, while the sum is 54.
The spelling of 50379117984 in words is "fifty billion, three hundred seventy-nine million, one hundred seventeen thousand, nine hundred eighty-four".
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