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30400324732 = 2217929481231
BaseRepresentation
bin11100010100000000…
…000010010001111100
32220110122120111200001
4130110000002101330
5444224440342412
621544332244044
72124230332231
oct342400022174
986418514601
1030400324732
1111990210a18
125a85010624
132b362bb43b
141685695788
15bcdd53957
hex71400247c

30400324732 has 24 divisors (see below), whose sum is σ = 56390765760. Its totient is φ = 14290606080.

The previous prime is 30400324709. The next prime is 30400324733. The reversal of 30400324732 is 23742300403.

It is a super-2 number, since 2×304003247322 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30400324732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400324733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177444 + ... + 303787.

It is an arithmetic number, because the mean of its divisors is an integer number (2349615240).

Almost surely, 230400324732 is an apocalyptic number.

It is an amenable number.

30400324732 is a deficient number, since it is larger than the sum of its proper divisors (25990441028).

30400324732 is a wasteful number, since it uses less digits than its factorization.

30400324732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482181 (or 482179 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 28.

The spelling of 30400324732 in words is "thirty billion, four hundred million, three hundred twenty-four thousand, seven hundred thirty-two".

Divisors: 1 2 4 17 34 68 929 1858 3716 15793 31586 63172 481231 962462 1924924 8180927 16361854 32723708 447063599 894127198 1788254396 7600081183 15200162366 30400324732