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990112953 = 31697194483
BaseRepresentation
bin111011000000111…
…110110010111001
32120000001221122010
4323000332302321
54011432103303
6242125320133
733351551454
oct7300766271
92500057563
10990112953
11468990575
12237706049
1312a187b6b
14956d649b
155bdcbc03
hex3b03ecb9

990112953 has 8 divisors (see below), whose sum is σ = 1320935328. Its totient is φ = 659682944.

The previous prime is 990112931. The next prime is 990112957. The reversal of 990112953 is 359211099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 990112953 - 212 = 990108857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (990112957) 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 7 ways as a sum of consecutive naturals, for example, 92151 + ... + 102332.

It is an arithmetic number, because the mean of its divisors is an integer number (165116916).

Almost surely, 2990112953 is an apocalyptic number.

It is an amenable number.

990112953 is a deficient number, since it is larger than the sum of its proper divisors (330822375).

990112953 is a wasteful number, since it uses less digits than its factorization.

990112953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196183.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 990112953 is about 31466.0603349069. The cubic root of 990112953 is about 996.6933960883.

The spelling of 990112953 in words is "nine hundred ninety million, one hundred twelve thousand, nine hundred fifty-three".

Divisors: 1 3 1697 5091 194483 583449 330037651 990112953