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10398804497 = 13179380187
BaseRepresentation
bin10011010111101000…
…10010101000010001
3222211201012000001022
421223310102220101
5132244043220442
64435510245225
7515456244164
oct115364225021
928751160038
1010398804497
114456943804
122022656815
13c99500873
147090d5adb
1540cdd73d2
hex26bd12a11

10398804497 has 4 divisors (see below), whose sum is σ = 10478184816. Its totient is φ = 10319424180.

The previous prime is 10398804487. The next prime is 10398804499. The reversal of 10398804497 is 79440889301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10398804497 is a prime.

It is a super-3 number, since 3×103988044973 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10398804499) 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, 39689963 + ... + 39690224.

It is an arithmetic number, because the mean of its divisors is an integer number (2619546204).

Almost surely, 210398804497 is an apocalyptic number.

It is an amenable number.

10398804497 is a deficient number, since it is larger than the sum of its proper divisors (79380319).

10398804497 is an equidigital number, since it uses as much as digits as its factorization.

10398804497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79380318.

The product of its (nonzero) digits is 1741824, while the sum is 53.

It can be divided in two parts, 10398804 and 497, that added together give a palindrome (10399301).

The spelling of 10398804497 in words is "ten billion, three hundred ninety-eight million, eight hundred four thousand, four hundred ninety-seven".

Divisors: 1 131 79380187 10398804497