Base | Representation |
---|---|
bin | 11100110100101000… |
… | …110001011000100000 |
3 | 2221212210212220112000 |
4 | 130310220301120200 |
5 | 1001340123434321 |
6 | 22114532204000 |
7 | 2143626406611 |
oct | 346450613040 |
9 | 87783786460 |
10 | 30947874336 |
11 | 121412a5055 |
12 | 5bb8469600 |
13 | 2bc28814a2 |
14 | 16d82a7c08 |
15 | c11e60826 |
hex | 734a31620 |
30947874336 has 48 divisors (see below), whose sum is σ = 90264636000. Its totient is φ = 10315957824.
The previous prime is 30947874299. The next prime is 30947874343. The reversal of 30947874336 is 63347874903.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (54).
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, 17908786 + ... + 17910513.
It is an arithmetic number, because the mean of its divisors is an integer number (1880513250).
Almost surely, 230947874336 is an apocalyptic number.
30947874336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30947874336 is an abundant number, since it is smaller than the sum of its proper divisors (59316761664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30947874336 is a wasteful number, since it uses less digits than its factorization.
30947874336 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35819318 (or 35819304 counting only the distinct ones).
The product of its (nonzero) digits is 9144576, while the sum is 54.
The spelling of 30947874336 in words is "thirty billion, nine hundred forty-seven million, eight hundred seventy-four thousand, three hundred thirty-six".
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