Base | Representation |
---|---|
bin | 101100101010011101… |
… | …100011110000000000 |
3 | 11120210012121122022000 |
4 | 230222131203300000 |
5 | 1241204000010221 |
6 | 34010421344000 |
7 | 3315264021432 |
oct | 545235436000 |
9 | 146705548260 |
10 | 47957031936 |
11 | 1937a5489a0 |
12 | 9364868000 |
13 | 46a372cb98 |
14 | 246d28c652 |
15 | 13aa345e26 |
hex | b2a763c00 |
47957031936 has 352 divisors, whose sum is σ = 156203458560. Its totient is φ = 14413824000.
The previous prime is 47957031917. The next prime is 47957031949. The reversal of 47957031936 is 63913075974.
It is a happy number.
47957031936 is a `hidden beast` number, since 4 + 7 + 9 + 570 + 31 + 9 + 36 = 666.
It is a tau number, because it is divible by the number of its divisors (352).
It is a super-2 number, since 2×479570319362 (a number of 22 digits) contains 22 as substring.
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 31 ways as a sum of consecutive naturals, for example, 41664961 + ... + 41666111.
Almost surely, 247957031936 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47957031936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78101729280).
47957031936 is an abundant number, since it is smaller than the sum of its proper divisors (108246426624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47957031936 is a wasteful number, since it uses less digits than its factorization.
47957031936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1328 (or 1304 counting only the distinct ones).
The product of its (nonzero) digits is 4286520, while the sum is 54.
The spelling of 47957031936 in words is "forty-seven billion, nine hundred fifty-seven million, thirty-one thousand, nine hundred thirty-six".
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