Base | Representation |
---|---|
bin | 100100110110101000… |
… | …0000100101110101000 |
3 | 21120021120021111202222 |
4 | 1021231100010232220 |
5 | 2244040414412134 |
6 | 100205115013212 |
7 | 5501135542430 |
oct | 1115520045650 |
9 | 246246244688 |
10 | 79142341544 |
11 | 30622874642 |
12 | 1340873a208 |
13 | 76035449c6 |
14 | 3b8acc12c0 |
15 | 20d3057a2e |
hex | 126d404ba8 |
79142341544 has 32 divisors (see below), whose sum is σ = 171237256320. Its totient is φ = 33588841536.
The previous prime is 79142341513. The next prime is 79142341561. The reversal of 79142341544 is 44514324197.
It is a junction number, because it is equal to n+sod(n) for n = 79142341495 and 79142341504.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6854699 + ... + 6866234.
It is an arithmetic number, because the mean of its divisors is an integer number (5351164260).
Almost surely, 279142341544 is an apocalyptic number.
It is an amenable number.
79142341544 is an abundant number, since it is smaller than the sum of its proper divisors (92094914776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79142341544 is a wasteful number, since it uses less digits than its factorization.
79142341544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13721049 (or 13721045 counting only the distinct ones).
The product of its digits is 483840, while the sum is 44.
The spelling of 79142341544 in words is "seventy-nine billion, one hundred forty-two million, three hundred forty-one thousand, five hundred forty-four".
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