Base | Representation |
---|---|
bin | 1110111001010100… |
… | …00101101100000000 |
3 | 202122022202002102200 |
4 | 13130222011230000 |
5 | 112334212110120 |
6 | 3401311113200 |
7 | 402113164200 |
oct | 73452055400 |
9 | 22568662380 |
10 | 7996988160 |
11 | 3434100627 |
12 | 1672212800 |
13 | 9a5a2a275 |
14 | 55c122400 |
15 | 31c102e90 |
hex | 1dca85b00 |
7996988160 has 648 divisors, whose sum is σ = 33297054336. Its totient is φ = 1765048320.
The previous prime is 7996988123. The next prime is 7996988189. The reversal of 7996988160 is 618896997.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17498652 + ... + 17499108.
Almost surely, 27996988160 is an apocalyptic number.
7996988160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7996988160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16648527168).
7996988160 is an abundant number, since it is smaller than the sum of its proper divisors (25300066176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7996988160 is a wasteful number, since it uses less digits than its factorization.
7996988160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 529 (or 505 counting only the distinct ones).
The product of its (nonzero) digits is 11757312, while the sum is 63.
The square root of 7996988160 is about 89425.8808175799. The cubic root of 7996988160 is about 1999.7489818296.
The spelling of 7996988160 in words is "seven billion, nine hundred ninety-six million, nine hundred eighty-eight thousand, one hundred sixty".
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