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10380920400 = 24325231167557
BaseRepresentation
bin10011010101100000…
…00100011001010000
3222210110112101200100
421222300010121100
5132230003423100
64434031052400
7515151240024
oct115260043120
928713471610
1010380920400
114447839164
122018671100
13c958ab566
1470699c384
1540b553400
hex26ac04650

10380920400 has 360 divisors, whose sum is σ = 37476601344. Its totient is φ = 2658124800.

The previous prime is 10380920399. The next prime is 10380920423. The reversal of 10380920400 is 402908301.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×103809204002 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18636922 + ... + 18637478.

Almost surely, 210380920400 is an apocalyptic number.

10380920400 is a gapful number since it is divisible by the number (10) 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 10380920400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18738300672).

10380920400 is an abundant number, since it is smaller than the sum of its proper divisors (27095680944).

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

10380920400 is a wasteful number, since it uses less digits than its factorization.

10380920400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 10380920400 in words is "ten billion, three hundred eighty million, nine hundred twenty thousand, four hundred".