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30893951232 = 28333124651
BaseRepresentation
bin11100110001011011…
…000100100100000000
32221202001102022221000
4130301123010210000
51001232322414412
622105324332000
72142403152444
oct346133044400
987661368830
1030893951232
1112113914901
125ba23a4000
132bb4651521
1416d106c824
15c0c35d4dc
hex7316c4900

30893951232 has 216 divisors, whose sum is σ = 94421271840. Its totient is φ = 9963648000.

The previous prime is 30893951213. The next prime is 30893951251. The reversal of 30893951232 is 23215939803.

It is an interprime number because it is at equal distance from previous prime (30893951213) and next prime (30893951251).

It is a tau number, because it is divible by the number of its divisors (216).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6640107 + ... + 6644757.

Almost surely, 230893951232 is an apocalyptic number.

30893951232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30893951232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47210635920).

30893951232 is an abundant number, since it is smaller than the sum of its proper divisors (63527320608).

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

30893951232 is an equidigital number, since it uses as much as digits as its factorization.

30893951232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738 (or 4687 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 30893951232 in words is "thirty billion, eight hundred ninety-three million, nine hundred fifty-one thousand, two hundred thirty-two".