Base | Representation |
---|---|
bin | 110011111100100000100… |
… | …1000110001100000100000 |
3 | 221021111212002001100012010 |
4 | 1213321001020301200200 |
5 | 1413432321041334203 |
6 | 23103432350032520 |
7 | 1334541133451262 |
oct | 147710110614040 |
9 | 27244762040163 |
10 | 7139328464928 |
11 | 2302854884220 |
12 | 9737967a8740 |
13 | 3ca30b03659a |
14 | 1a978c5b9b32 |
15 | c5a9c4c2303 |
hex | 67e41231820 |
7139328464928 has 96 divisors (see below), whose sum is σ = 20445578556480. Its totient is φ = 2163312450560.
The previous prime is 7139328464923. The next prime is 7139328464981. The reversal of 7139328464928 is 8294648239317.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (66).
It is not an unprimeable number, because it can be changed into a prime (7139328464923) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19797658 + ... + 20155046.
It is an arithmetic number, because the mean of its divisors is an integer number (212974776630).
Almost surely, 27139328464928 is an apocalyptic number.
It is an amenable number.
7139328464928 is an abundant number, since it is smaller than the sum of its proper divisors (13306250091552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7139328464928 is a wasteful number, since it uses less digits than its factorization.
7139328464928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376330 (or 376322 counting only the distinct ones).
The product of its digits is 125411328, while the sum is 66.
The spelling of 7139328464928 in words is "seven trillion, one hundred thirty-nine billion, three hundred twenty-eight million, four hundred sixty-four thousand, nine hundred twenty-eight".
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