Base | Representation |
---|---|
bin | 11100001010000011… |
… | …110100011111100000 |
3 | 2220001000202012102210 |
4 | 130022003310133200 |
5 | 443404241412142 |
6 | 21520013442120 |
7 | 2120133614052 |
oct | 341203643740 |
9 | 86030665383 |
10 | 30233544672 |
11 | 11905058661 |
12 | 5a391a0340 |
13 | 2b0a895906 |
14 | 166b47d8d2 |
15 | bbe3ac49c |
hex | 70a0f47e0 |
30233544672 has 24 divisors (see below), whose sum is σ = 79363055016. Its totient is φ = 10077848192.
The previous prime is 30233544659. The next prime is 30233544703. The reversal of 30233544672 is 27644533203.
It is a tau number, because it is divible by the number of its divisors (24).
It is a self number, because there is not a number n which added to its sum of digits gives 30233544672.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157466283 + ... + 157466474.
It is an arithmetic number, because the mean of its divisors is an integer number (3306793959).
Almost surely, 230233544672 is an apocalyptic number.
30233544672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30233544672 is an abundant number, since it is smaller than the sum of its proper divisors (49129510344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30233544672 is a wasteful number, since it uses less digits than its factorization.
30233544672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 314932770 (or 314932762 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 39.
The spelling of 30233544672 in words is "thirty billion, two hundred thirty-three million, five hundred forty-four thousand, six hundred seventy-two".
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