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9953948907 = 327157999189
BaseRepresentation
bin10010100010100110…
…10011010011101011
3221200201002222220100
421101103103103223
5130341202331112
64323415400443
7501445112130
oct112123232353
927621088810
109953948907
114248821161
121b19683123
13c282b55c6
146a5db6587
153d3d132dc
hex2514d34eb

9953948907 has 12 divisors (see below), whose sum is σ = 16431915760. Its totient is φ = 5687970768.

The previous prime is 9953948899. The next prime is 9953948929. The reversal of 9953948907 is 7098493599.

It is a happy number.

9953948907 is a `hidden beast` number, since 9 + 9 + 539 + 4 + 8 + 90 + 7 = 666.

9953948907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9953948907 - 23 = 9953948899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 157999189 = 9953948907 / (9 + 9 + 5 + 3 + 9 + 4 + 8 + 9 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9953940907) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 78999532 + ... + 78999657.

Almost surely, 29953948907 is an apocalyptic number.

9953948907 is a deficient number, since it is larger than the sum of its proper divisors (6477966853).

9953948907 is a wasteful number, since it uses less digits than its factorization.

9953948907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157999202 (or 157999199 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The square root of 9953948907 is about 99769.4788349623. The cubic root of 9953948907 is about 2151.1224646877.

The spelling of 9953948907 in words is "nine billion, nine hundred fifty-three million, nine hundred forty-eight thousand, nine hundred seven".

Divisors: 1 3 7 9 21 63 157999189 473997567 1105994323 1421992701 3317982969 9953948907