Base | Representation |
---|---|
bin | 10001101011010011… |
… | …001111000010001010 |
3 | 1210222202100122021021 |
4 | 101223103033002022 |
5 | 302332344323420 |
6 | 12415212503054 |
7 | 1241225651401 |
oct | 215323170212 |
9 | 53882318237 |
10 | 18980073610 |
11 | 805a836253 |
12 | 381847aa8a |
13 | 1a362b19b4 |
14 | cc0a6c638 |
15 | 7614507aa |
hex | 46b4cf08a |
18980073610 has 16 divisors (see below), whose sum is σ = 34188166656. Its totient is φ = 7586688528.
The previous prime is 18980073599. The next prime is 18980073611. The reversal of 18980073610 is 1637008981.
It is not an unprimeable number, because it can be changed into a prime (18980073611) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652674 + ... + 681133.
It is an arithmetic number, because the mean of its divisors is an integer number (2136760416).
Almost surely, 218980073610 is an apocalyptic number.
18980073610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18980073610 is a deficient number, since it is larger than the sum of its proper divisors (15208093046).
18980073610 is a wasteful number, since it uses less digits than its factorization.
18980073610 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1335237.
The product of its (nonzero) digits is 72576, while the sum is 43.
The spelling of 18980073610 in words is "eighteen billion, nine hundred eighty million, seventy-three thousand, six hundred ten".
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