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8869144898 = 26121191769
BaseRepresentation
bin10000100001010010…
…00110100101000010
3211220002212020120002
420100221012211002
5121131000114043
64024024320002
7432533326205
oct102051064502
924802766502
108869144898
113841445919
121876313002
13ab4625543
14601cb193c
1536d97ebb8
hex210a46942

8869144898 has 12 divisors (see below), whose sum is σ = 13525397730. Its totient is φ = 4361870880.

The previous prime is 8869144891. The next prime is 8869144951. The reversal of 8869144898 is 8984419688.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1019716489 + 7849428409 = 31933^2 + 88597^2 .

It is not an unprimeable number, because it can be changed into a prime (8869144891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 588443 + ... + 603326.

Almost surely, 28869144898 is an apocalyptic number.

8869144898 is a deficient number, since it is larger than the sum of its proper divisors (4656252832).

8869144898 is a wasteful number, since it uses less digits than its factorization.

8869144898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191893 (or 1191832 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 65.

The square root of 8869144898 is about 94176.1376251968. The cubic root of 8869144898 is about 2069.9534710694.

The spelling of 8869144898 in words is "eight billion, eight hundred sixty-nine million, one hundred forty-four thousand, eight hundred ninety-eight".

Divisors: 1 2 61 122 3721 7442 1191769 2383538 72697909 145395818 4434572449 8869144898