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11925745980 = 2235296853877
BaseRepresentation
bin10110001101101010…
…00111000100111100
31010210010101122222120
423012311013010330
5143410442332410
65251214042540
7601350111501
oct130665070474
933703348876
1011925745980
11506a855515
122389aa9450
131180966935
14811c0d4a8
1549bea4570
hex2c6d4713c

11925745980 has 48 divisors (see below), whose sum is σ = 34543545120. Its totient is φ = 3070536448.

The previous prime is 11925745969. The next prime is 11925745991. The reversal of 11925745980 is 8954752911.

11925745980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11925745969) and next prime (11925745991).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3425199 + ... + 3428678.

It is an arithmetic number, because the mean of its divisors is an integer number (719657190).

Almost surely, 211925745980 is an apocalyptic number.

11925745980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11925745980 is an abundant number, since it is smaller than the sum of its proper divisors (22617799140).

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

11925745980 is a wasteful number, since it uses less digits than its factorization.

11925745980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853918 (or 6853916 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 11925745980 in words is "eleven billion, nine hundred twenty-five million, seven hundred forty-five thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 6853877 13707754 20561631 27415508 34269385 41123262 68538770 82246524 102808155 137077540 198762433 205616310 397524866 411232620 596287299 795049732 993812165 1192574598 1987624330 2385149196 2981436495 3975248660 5962872990 11925745980