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30231544012 = 2241929198427
BaseRepresentation
bin11100001001111100…
…001100000011001100
32220000212222120001021
4130021330030003030
5443403233402022
621515502523524
72120110612165
oct341174140314
986025876037
1030231544012
1111903a1151a
125a385965a4
132b0a3450a7
14166b0bc76c
15bbe1147c7
hex709f0c0cc

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".

Divisors: 1 2 4 41 82 164 929 1858 3716 38089 76178 152356 198427 396854 793708 8135507 16271014 32542028 184338683 368677366 737354732 7557886003 15115772006 30231544012