Base | Representation |
---|---|
bin | 11100100100101010… |
… | …010010010111111100 |
3 | 2221012010112011021000 |
4 | 130210222102113330 |
5 | 1000313014224111 |
6 | 22032155210300 |
7 | 2134163206314 |
oct | 344452222774 |
9 | 87163464230 |
10 | 30679836156 |
11 | 12013a70aa2 |
12 | 5b42746990 |
13 | 2b7c194608 |
14 | 16b0854444 |
15 | be8666c56 |
hex | 724a925fc |
30679836156 has 24 divisors (see below), whose sum is σ = 79540316240. Its totient is φ = 10226612016.
The previous prime is 30679836023. The next prime is 30679836181. The reversal of 30679836156 is 65163897603.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142036171 + ... + 142036386.
Almost surely, 230679836156 is an apocalyptic number.
30679836156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30679836156 is an abundant number, since it is smaller than the sum of its proper divisors (48860480084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30679836156 is a wasteful number, since it uses less digits than its factorization.
30679836156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284072570 (or 284072562 counting only the distinct ones).
The product of its (nonzero) digits is 4898880, while the sum is 54.
The spelling of 30679836156 in words is "thirty billion, six hundred seventy-nine million, eight hundred thirty-six thousand, one hundred fifty-six".
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