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9998092993 = 71428298999
BaseRepresentation
bin10010100111110111…
…01100101011000001
3221210210011202012111
421103323230223001
5130434002433433
64332033455321
7502522250110
oct112373545301
927723152174
109998092993
114270732279
121b30411541
13c344a0475
146abbc7c77
153d7b32dcd
hex253eecac1

9998092993 has 4 divisors (see below), whose sum is σ = 11426392000. Its totient is φ = 8569793988.

The previous prime is 9998092969. The next prime is 9998093003. The reversal of 9998092993 is 3992908999.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9998092993 - 213 = 9998084801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9998092913) 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, 714149493 + ... + 714149506.

It is an arithmetic number, because the mean of its divisors is an integer number (2856598000).

Almost surely, 29998092993 is an apocalyptic number.

It is an amenable number.

9998092993 is a deficient number, since it is larger than the sum of its proper divisors (1428299007).

9998092993 is a wasteful number, since it uses less digits than its factorization.

9998092993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428299006.

The product of its (nonzero) digits is 25509168, while the sum is 67.

The square root of 9998092993 is about 99990.4645103722. The cubic root of 9998092993 is about 2154.2977305909.

The spelling of 9998092993 in words is "nine billion, nine hundred ninety-eight million, ninety-two thousand, nine hundred ninety-three".

Divisors: 1 7 1428298999 9998092993