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9941557308 = 223828463109
BaseRepresentation
bin10010100001001000…
…00010000000111100
3221122211210102211020
421100210002000330
5130330014313213
64322254024140
7501234562044
oct112044020074
927584712736
109941557308
114241828171
121b154a8050
13c258672b7
146a44ac724
153d2bb6923
hex25090203c

9941557308 has 12 divisors (see below), whose sum is σ = 23196967080. Its totient is φ = 3313852432.

The previous prime is 9941557303. The next prime is 9941557319. The reversal of 9941557308 is 8037551499.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9941557303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414231543 + ... + 414231566.

It is an arithmetic number, because the mean of its divisors is an integer number (1933080590).

Almost surely, 29941557308 is an apocalyptic number.

It is an amenable number.

9941557308 is an abundant number, since it is smaller than the sum of its proper divisors (13255409772).

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

9941557308 is a wasteful number, since it uses less digits than its factorization.

9941557308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828463116 (or 828463114 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 51.

The square root of 9941557308 is about 99707.3583443068. The cubic root of 9941557308 is about 2150.2294550855.

The spelling of 9941557308 in words is "nine billion, nine hundred forty-one million, five hundred fifty-seven thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 828463109 1656926218 2485389327 3313852436 4970778654 9941557308