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30455531392 = 2711131663873
BaseRepresentation
bin11100010111010010…
…101000011110000000
32220121111110021222011
4130113102220132000
5444333104001032
621554023422304
72125500513466
oct342722503600
986544407864
1030455531392
1111a09398560
125a9b5b4994
132b4487a6c0
14168cb46836
15bd3b0b247
hex7174a8780

30455531392 has 64 divisors (see below), whose sum is σ = 71280362160. Its totient is φ = 12778536960.

The previous prime is 30455531387. The next prime is 30455531419. The reversal of 30455531392 is 29313555403.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 813633 + ... + 850240.

Almost surely, 230455531392 is an apocalyptic number.

30455531392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30455531392 is an abundant number, since it is smaller than the sum of its proper divisors (40824830768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30455531392 is a wasteful number, since it uses less digits than its factorization.

30455531392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663911 (or 1663899 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 30455531392 in words is "thirty billion, four hundred fifty-five million, five hundred thirty-one thousand, three hundred ninety-two".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 128 143 176 208 286 352 416 572 704 832 1144 1408 1664 2288 4576 9152 18304 1663873 3327746 6655492 13310984 18302603 21630349 26621968 36605206 43260698 53243936 73210412 86521396 106487872 146420824 173042792 212975744 237933839 292841648 346085584 475867678 585683296 692171168 951735356 1171366592 1384342336 1903470712 2342733184 2768684672 3806941424 7613882848 15227765696 30455531392