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10311914897 = 19975595179
BaseRepresentation
bin10011001101010001…
…10101010110010001
3222121122200112220222
421212220311112101
5132104322234042
64423124042425
7513352554554
oct114650652621
928548615828
1010311914897
114411897319
121bb9533415
13c844ca5bb
146db75869b
154054722d2
hex266a35591

10311914897 has 8 divisors (see below), whose sum is σ = 10966552800. Its totient is φ = 9668467584.

The previous prime is 10311914887. The next prime is 10311914929. The reversal of 10311914897 is 79841911301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10311914897 - 222 = 10307720593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10311914887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2795747 + ... + 2799432.

It is an arithmetic number, because the mean of its divisors is an integer number (1370819100).

Almost surely, 210311914897 is an apocalyptic number.

It is an amenable number.

10311914897 is a deficient number, since it is larger than the sum of its proper divisors (654637903).

10311914897 is an equidigital number, since it uses as much as digits as its factorization.

10311914897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595295.

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 10311914897 in words is "ten billion, three hundred eleven million, nine hundred fourteen thousand, eight hundred ninety-seven".

Divisors: 1 19 97 1843 5595179 106308401 542732363 10311914897