Base | Representation |
---|---|
bin | 11100011010111111… |
… | …100011001101000000 |
3 | 2220202211022122011010 |
4 | 130122333203031000 |
5 | 1000000003403302 |
6 | 22004122520520 |
7 | 2130153433254 |
oct | 343277431500 |
9 | 86684278133 |
10 | 30517637952 |
11 | 11a4045809a |
12 | 5ab8366140 |
13 | 2b546b4449 |
14 | 16970b2264 |
15 | bd92c816c |
hex | 71afe3340 |
30517637952 has 56 divisors (see below), whose sum is σ = 84255230016. Its totient is φ = 9730259968.
The previous prime is 30517637951. The next prime is 30517637963. The reversal of 30517637952 is 25973671503.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30517637951) 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, 3450933 + ... + 3459764.
Almost surely, 230517637952 is an apocalyptic number.
30517637952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30517637952 is an abundant number, since it is smaller than the sum of its proper divisors (53737592064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30517637952 is a wasteful number, since it uses less digits than its factorization.
30517637952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6910735 (or 6910725 counting only the distinct ones).
The product of its (nonzero) digits is 1190700, while the sum is 48.
The spelling of 30517637952 in words is "thirty billion, five hundred seventeen million, six hundred thirty-seven thousand, nine hundred fifty-two".
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