Base | Representation |
---|---|
bin | 100101001100010111… |
… | …1100000000000000101 |
3 | 21122011102021000000102 |
4 | 1022120233200000011 |
5 | 2302034213000010 |
6 | 100405342053445 |
7 | 5525205540530 |
oct | 1123057400005 |
9 | 248142230012 |
10 | 79872000005 |
11 | 30967730866 |
12 | 13590b7a285 |
13 | 76bb769785 |
14 | 3c19b79a17 |
15 | 2127137ba5 |
hex | 1298be0005 |
79872000005 has 8 divisors (see below), whose sum is σ = 109538742912. Its totient is φ = 54769371408.
The previous prime is 79871999957. The next prime is 79872000029. The reversal of 79872000005 is 50000027897.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 79872000005 - 212 = 79871995909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141028537 + ... + 1141028606.
It is an arithmetic number, because the mean of its divisors is an integer number (13692342864).
Almost surely, 279872000005 is an apocalyptic number.
It is an amenable number.
79872000005 is a deficient number, since it is larger than the sum of its proper divisors (29666742907).
79872000005 is a wasteful number, since it uses less digits than its factorization.
79872000005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2282057155.
The product of its (nonzero) digits is 35280, while the sum is 38.
The spelling of 79872000005 in words is "seventy-nine billion, eight hundred seventy-two million, five", and thus it is an aban number.
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