Base | Representation |
---|---|
bin | 11100000001010111… |
… | …110000111011001000 |
3 | 2212122212110111010212 |
4 | 130001113300323020 |
5 | 443104432343432 |
6 | 21453325300252 |
7 | 2113413615236 |
oct | 340127607310 |
9 | 85585414125 |
10 | 30087777992 |
11 | 1183a847a28 |
12 | 59b8404688 |
13 | 2ab661983c |
14 | 1655d77956 |
15 | bb16b72b2 |
hex | 7015f0ec8 |
30087777992 has 16 divisors (see below), whose sum is σ = 56973145500. Its totient is φ = 14894939200.
The previous prime is 30087777989. The next prime is 30087778027. The reversal of 30087777992 is 29977778003.
It can be written as a sum of positive squares in 2 ways, for example, as 22875352516 + 7212425476 = 151246^2 + 84926^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18617867 + ... + 18619482.
Almost surely, 230087777992 is an apocalyptic number.
It is an amenable number.
30087777992 is a deficient number, since it is larger than the sum of its proper divisors (26885367508).
30087777992 is a wasteful number, since it uses less digits than its factorization.
30087777992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37237456 (or 37237452 counting only the distinct ones).
The product of its (nonzero) digits is 9335088, while the sum is 59.
The spelling of 30087777992 in words is "thirty billion, eighty-seven million, seven hundred seventy-seven thousand, nine hundred ninety-two".
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