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913299414889 = 613215592
BaseRepresentation
bin11010100101001001110…
…00110001111101101001
310020022101101222100201011
431102210320301331221
5104430414122234024
61535321452023521
7122661260636611
oct15224470617551
93208341870634
10913299414889
1132236778a074
12129006161ba1
136817bbb2484
14322bd811a41
1518b54dc4094
hexd4a4e31f69

913299414889 has 9 divisors (see below), whose sum is σ = 915378887703. Its totient is φ = 911224661832.

The previous prime is 913299414871. The next prime is 913299414941. The reversal of 913299414889 is 988414992319.

The square root of 913299414889 is 955667.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2977339225 + 910322075664 = 54565^2 + 954108^2 .

It is a de Polignac number, because none of the positive numbers 2k-913299414889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913299414689) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 585823092 + ... + 585824650.

Almost surely, 2913299414889 is an apocalyptic number.

913299414889 is the 955667-th square number.

913299414889 is the 477834-th centered octagonal number.

It is an amenable number.

913299414889 is a deficient number, since it is larger than the sum of its proper divisors (2079472814).

913299414889 is an frugal number, since it uses more digits than its factorization.

913299414889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344 (or 2172 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 67.

The spelling of 913299414889 in words is "nine hundred thirteen billion, two hundred ninety-nine million, four hundred fourteen thousand, eight hundred eighty-nine".

Divisors: 1 613 1559 375769 955667 2430481 585823871 1489884853 913299414889