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8116989198 = 2381110191637
BaseRepresentation
bin1111000111100111…
…10110110100001110
3202221200112202220120
413203303312310032
5113110422123243
63421235125410
7405101161353
oct74363666416
922850482816
108116989198
11349591313a
1216a6443866
139c48547b6
1457003c62a
15327908c83
hex1e3cf6d0e

8116989198 has 32 divisors (see below), whose sum is σ = 16279885440. Its totient is φ = 2698025760.

The previous prime is 8116989193. The next prime is 8116989211. The reversal of 8116989198 is 8919896118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8116989193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4957636 + ... + 4959272.

It is an arithmetic number, because the mean of its divisors is an integer number (508746420).

Almost surely, 28116989198 is an apocalyptic number.

8116989198 is an abundant number, since it is smaller than the sum of its proper divisors (8162896242).

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

8116989198 is a wasteful number, since it uses less digits than its factorization.

8116989198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472.

The product of its digits is 2239488, while the sum is 60.

The square root of 8116989198 is about 90094.3349939384. The cubic root of 8116989198 is about 2009.7019597199.

The spelling of 8116989198 in words is "eight billion, one hundred sixteen million, nine hundred eighty-nine thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 811 1019 1622 1637 2038 2433 3057 3274 4866 4911 6114 9822 826409 1327607 1652818 1668103 2479227 2655214 3336206 3982821 4958454 5004309 7965642 10008618 1352831533 2705663066 4058494599 8116989198