Search a number
-
+
9997475904 = 2632131638191
BaseRepresentation
bin10010100111110010…
…10110000001000000
3221210202000101201100
421103321112001000
5130433323212104
64332012334400
7502514100033
oct112371260100
927722011640
109997475904
114270350689
121b30174400
13c34315620
146abaa701a
153d7a60139
hex253e56040

9997475904 has 168 divisors, whose sum is σ = 31053381632. Its totient is φ = 3056901120.

The previous prime is 9997475903. The next prime is 9997475951. The reversal of 9997475904 is 4095747999.

It is not an unprimeable number, because it can be changed into a prime (9997475903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1216449 + ... + 1224639.

Almost surely, 29997475904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9997475904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15526690816).

9997475904 is an abundant number, since it is smaller than the sum of its proper divisors (21055905728).

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

9997475904 is a wasteful number, since it uses less digits than its factorization.

9997475904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8385 (or 8372 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The square root of 9997475904 is about 99987.3787235169. The cubic root of 9997475904 is about 2154.2534081125.

The spelling of 9997475904 in words is "nine billion, nine hundred ninety-seven million, four hundred seventy-five thousand, nine hundred four".