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30900713760 = 2533571021849
BaseRepresentation
bin11100110001110100…
…110111100100100000
32221202112010220101000
4130301310313210200
51001241040320020
622110125312000
72142514506330
oct346164674440
987675126330
1030900713760
1112117713674
125ba4705600
132bb5b7b617
1416d1d0d0c0
15c0cc47090
hex731d37920

30900713760 has 192 divisors, whose sum is σ = 123602976000. Its totient is φ = 7063013376.

The previous prime is 30900713743. The next prime is 30900713771. The reversal of 30900713760 is 6731700903.

It is a super-2 number, since 2×309007137602 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480685 + ... + 541164.

It is an arithmetic number, because the mean of its divisors is an integer number (643765500).

Almost surely, 230900713760 is an apocalyptic number.

30900713760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30900713760 is an abundant number, since it is smaller than the sum of its proper divisors (92702262240).

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

30900713760 is a wasteful number, since it uses less digits than its factorization.

30900713760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021880 (or 1021866 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The spelling of 30900713760 in words is "thirty billion, nine hundred million, seven hundred thirteen thousand, seven hundred sixty".