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9702989995 = 51940597999
BaseRepresentation
bin10010000100101011…
…11110000010101011
3221001012212221222211
421002111332002223
5124332431134440
64242452425551
7462310024366
oct110225760253
927035787884
109702989995
11412a0a2aa6
121a696182b7
13bb82c85ca
1468092b0dd
153bbc8eeea
hex24257e0ab

9702989995 has 4 divisors (see below), whose sum is σ = 11643588000. Its totient is φ = 7762391992.

The previous prime is 9702989971. The next prime is 9702990047. The reversal of 9702989995 is 5999892079.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9702989995 - 215 = 9702957227 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 9702989995.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970298995 + ... + 970299004.

It is an arithmetic number, because the mean of its divisors is an integer number (2910897000).

Almost surely, 29702989995 is an apocalyptic number.

9702989995 is a deficient number, since it is larger than the sum of its proper divisors (1940598005).

9702989995 is a wasteful number, since it uses less digits than its factorization.

9702989995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940598004.

The product of its (nonzero) digits is 33067440, while the sum is 67.

The square root of 9702989995 is about 98503.7562481756. The cubic root of 9702989995 is about 2132.8903427652.

The spelling of 9702989995 in words is "nine billion, seven hundred two million, nine hundred eighty-nine thousand, nine hundred ninety-five".

Divisors: 1 5 1940597999 9702989995