Base | Representation |
---|---|
bin | 11100011110011001… |
… | …000001011001001000 |
3 | 2220220210120222200000 |
4 | 130132121001121020 |
5 | 1000104102144411 |
6 | 22013520443000 |
7 | 2131445132055 |
oct | 343631013110 |
9 | 86823528600 |
10 | 30574646856 |
11 | 11a6a655796 |
12 | 5b13479460 |
13 | 2b63454b20 |
14 | 16a08b202c |
15 | bde2d9956 |
hex | 71e641648 |
30574646856 has 288 divisors, whose sum is σ = 96716780160. Its totient is φ = 8994623616.
The previous prime is 30574646831. The next prime is 30574646873. The reversal of 30574646856 is 65864647503.
30574646856 is a `hidden beast` number, since 3 + 0 + 574 + 6 + 4 + 68 + 5 + 6 = 666.
It is a super-2 number, since 2×305746468562 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
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 71 ways as a sum of consecutive naturals, for example, 13367745 + ... + 13370031.
Almost surely, 230574646856 is an apocalyptic number.
30574646856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30574646856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48358390080).
30574646856 is an abundant number, since it is smaller than the sum of its proper divisors (66142133304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30574646856 is a wasteful number, since it uses less digits than its factorization.
30574646856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2367 (or 2328 counting only the distinct ones).
The product of its (nonzero) digits is 14515200, while the sum is 54.
The spelling of 30574646856 in words is "thirty billion, five hundred seventy-four million, six hundred forty-six thousand, eight hundred fifty-six".
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