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30233544672 = 253314932757
BaseRepresentation
bin11100001010000011…
…110100011111100000
32220001000202012102210
4130022003310133200
5443404241412142
621520013442120
72120133614052
oct341203643740
986030665383
1030233544672
1111905058661
125a391a0340
132b0a895906
14166b47d8d2
15bbe3ac49c
hex70a0f47e0

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".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 314932757 629865514 944798271 1259731028 1889596542 2519462056 3779193084 5038924112 7558386168 10077848224 15116772336 30233544672