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30914149392 = 24337217271317
BaseRepresentation
bin11100110010101000…
…000111110000010000
32221210110102111121000
4130302220013300100
51001303010240032
622111325302000
72143036635300
oct346250076020
987713374530
1030914149392
111212425aaa5
125ba9104900
132bb88a3bb9
1416d3a09600
15c0deece7c
hex732a07c10

30914149392 has 480 divisors, whose sum is σ = 110043671040. Its totient is φ = 8256245760.

The previous prime is 30914149381. The next prime is 30914149411. The reversal of 30914149392 is 29394141903.

30914149392 is a `hidden beast` number, since 30 + 9 + 1 + 41 + 493 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97520818 + ... + 97521134.

It is an arithmetic number, because the mean of its divisors is an integer number (229257648).

Almost surely, 230914149392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30914149392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55021835520).

30914149392 is an abundant number, since it is smaller than the sum of its proper divisors (79129521648).

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

30914149392 is a wasteful number, since it uses less digits than its factorization.

30914149392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 30914149392 in words is "thirty billion, nine hundred fourteen million, one hundred forty-nine thousand, three hundred ninety-two".