Base | Representation |
---|---|
bin | 11100001001111100… |
… | …001100000011001100 |
3 | 2220000212222120001021 |
4 | 130021330030003030 |
5 | 443403233402022 |
6 | 21515502523524 |
7 | 2120110612165 |
oct | 341174140314 |
9 | 86025876037 |
10 | 30231544012 |
11 | 11903a1151a |
12 | 5a385965a4 |
13 | 2b0a3450a7 |
14 | 166b0bc76c |
15 | bbe1147c7 |
hex | 709f0c0cc |
30231544012 has 24 divisors (see below), whose sum is σ = 54254183760. Its totient is φ = 14731146240.
The previous prime is 30231544001. The next prime is 30231544033. The reversal of 30231544012 is 21044513203.
It is a super-2 number, since 2×302315440122 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53143 + ... + 251569.
It is an arithmetic number, because the mean of its divisors is an integer number (2260590990).
Almost surely, 230231544012 is an apocalyptic number.
It is an amenable number.
30231544012 is a deficient number, since it is larger than the sum of its proper divisors (24022639748).
30231544012 is a wasteful number, since it uses less digits than its factorization.
30231544012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 199401 (or 199399 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The spelling of 30231544012 in words is "thirty billion, two hundred thirty-one million, five hundred forty-four thousand, twelve".
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