Base | Representation |
---|---|
bin | 11100010001011001… |
… | …011001001101111000 |
3 | 2220100121101010100102 |
4 | 130101121121031320 |
5 | 444132300000012 |
6 | 21540132054532 |
7 | 2123160121313 |
oct | 342131311570 |
9 | 86317333312 |
10 | 30356640632 |
11 | 1196859445a |
12 | 5a72464448 |
13 | 2b2a234a66 |
14 | 167d96397a |
15 | bca0c52c2 |
hex | 711659378 |
30356640632 has 64 divisors (see below), whose sum is σ = 61977830400. Its totient is φ = 13886208000.
The previous prime is 30356640569. The next prime is 30356640659. The reversal of 30356640632 is 23604665303.
It is a hoax number, since the sum of its digits (38) 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 (38).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2307032 + ... + 2320152.
It is an arithmetic number, because the mean of its divisors is an integer number (968403600).
Almost surely, 230356640632 is an apocalyptic number.
It is an amenable number.
30356640632 is an abundant number, since it is smaller than the sum of its proper divisors (31621189768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30356640632 is a wasteful number, since it uses less digits than its factorization.
30356640632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13668 (or 13664 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 38.
The spelling of 30356640632 in words is "thirty billion, three hundred fifty-six million, six hundred forty thousand, six hundred thirty-two".
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