Base | Representation |
---|---|
bin | 100101010000100110… |
… | …0000011011100100111 |
3 | 21122112021220020220200 |
4 | 1022201030003130213 |
5 | 2302332001443301 |
6 | 100431403201543 |
7 | 5531546152620 |
oct | 1124114033447 |
9 | 248467806820 |
10 | 80013702951 |
11 | 30a2a716336 |
12 | 136105162b3 |
13 | 7711c21c80 |
14 | 3c30904a47 |
15 | 21347c8c86 |
hex | 12a1303727 |
80013702951 has 24 divisors (see below), whose sum is σ = 142246584480. Its totient is φ = 42205029696.
The previous prime is 80013702931. The next prime is 80013702959. The reversal of 80013702951 is 15920731008.
It is not a de Polignac number, because 80013702951 - 210 = 80013701927 is a prime.
It is a super-2 number, since 2×800137029512 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80013702959) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48847596 + ... + 48849233.
It is an arithmetic number, because the mean of its divisors is an integer number (5926941020).
Almost surely, 280013702951 is an apocalyptic number.
80013702951 is a deficient number, since it is larger than the sum of its proper divisors (62232881529).
80013702951 is a wasteful number, since it uses less digits than its factorization.
80013702951 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97696855 (or 97696852 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
The spelling of 80013702951 in words is "eighty billion, thirteen million, seven hundred two thousand, nine hundred fifty-one".
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