Base | Representation |
---|---|
bin | 11100000001011100… |
… | …011001010110110010 |
3 | 2212122221202011200201 |
4 | 130001130121112302 |
5 | 443110240222203 |
6 | 21453411305414 |
7 | 2113430133160 |
oct | 340134312662 |
9 | 85587664621 |
10 | 30088992178 |
11 | 118404a7193 |
12 | 59b88ab26a |
13 | 2ab69533ab |
14 | 16561b2230 |
15 | bb1856e1d |
hex | 7017195b2 |
30088992178 has 16 divisors (see below), whose sum is σ = 52839206784. Its totient is φ = 12580763040.
The previous prime is 30088992163. The next prime is 30088992179. The reversal of 30088992178 is 87129988003.
It is not an unprimeable number, because it can be changed into a prime (30088992179) 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, 26209350 + ... + 26210497.
It is an arithmetic number, because the mean of its divisors is an integer number (3302450424).
Almost surely, 230088992178 is an apocalyptic number.
30088992178 is a deficient number, since it is larger than the sum of its proper divisors (22750214606).
30088992178 is a wasteful number, since it uses less digits than its factorization.
30088992178 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52419897.
The product of its (nonzero) digits is 1741824, while the sum is 55.
The spelling of 30088992178 in words is "thirty billion, eighty-eight million, nine hundred ninety-two thousand, one hundred seventy-eight".
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