Base | Representation |
---|---|
bin | 100100100010110001… |
… | …0101011000001101000 |
3 | 21111120010200101002121 |
4 | 1021011202223001220 |
5 | 2241204342101420 |
6 | 100015035441024 |
7 | 5445466041100 |
oct | 1110542530150 |
9 | 244503611077 |
10 | 78476128360 |
11 | 30310801833 |
12 | 132615b6174 |
13 | 7528505116 |
14 | 3b26620200 |
15 | 209480b2aa |
hex | 12458ab068 |
78476128360 has 96 divisors (see below), whose sum is σ = 205506178920. Its totient is φ = 26892096000.
The previous prime is 78476128349. The next prime is 78476128387. The reversal of 78476128360 is 6382167487.
It can be written as a sum of positive squares in 4 ways, for example, as 68825423716 + 9650704644 = 262346^2 + 98238^2 .
It is a junction number, because it is equal to n+sod(n) for n = 78476128298 and 78476128307.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4187010 + ... + 4205710.
Almost surely, 278476128360 is an apocalyptic number.
78476128360 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 78476128360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102753089460).
78476128360 is an abundant number, since it is smaller than the sum of its proper divisors (127030050560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78476128360 is a wasteful number, since it uses less digits than its factorization.
78476128360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20867 (or 20856 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 52.
The spelling of 78476128360 in words is "seventy-eight billion, four hundred seventy-six million, one hundred twenty-eight thousand, three hundred sixty".
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