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9898987796 = 225779428231
BaseRepresentation
bin10010011100000011…
…01001000100010100
3221112212200200102122
421032001221010110
5130233120102141
64314133355112
7500210002505
oct111601510424
927485620378
109898987796
11421a7a2055
121b03198a98
13c19ab1039
1469c98abac
153ce0a864b
hex24e069114

9898987796 has 12 divisors (see below), whose sum is σ = 17326266720. Its totient is φ = 4948625880.

The previous prime is 9898987789. The next prime is 9898987799. The reversal of 9898987796 is 6977898989.

It is a self number, because there is not a number n which added to its sum of digits gives 9898987796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898987799) 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, 191000 + ... + 237231.

It is an arithmetic number, because the mean of its divisors is an integer number (1443855560).

Almost surely, 29898987796 is an apocalyptic number.

It is an amenable number.

9898987796 is a deficient number, since it is larger than the sum of its proper divisors (7427278924).

9898987796 is a wasteful number, since it uses less digits than its factorization.

9898987796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434014 (or 434012 counting only the distinct ones).

The product of its digits is 987614208, while the sum is 80.

The square root of 9898987796 is about 99493.6570641566. The cubic root of 9898987796 is about 2147.1559869304.

The spelling of 9898987796 in words is "nine billion, eight hundred ninety-eight million, nine hundred eighty-seven thousand, seven hundred ninety-six".

Divisors: 1 2 4 5779 11558 23116 428231 856462 1712924 2474746949 4949493898 9898987796