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13130198 = 26565099
BaseRepresentation
bin110010000101…
…100111010110
3220201002020122
4302011213112
511330131243
61145231542
7216414314
oct62054726
926632218
1013130198
117458a04
1244925b2
132949563
141a5b0b4
151245668
hexc859d6

13130198 has 4 divisors (see below), whose sum is σ = 19695300. Its totient is φ = 6565098.

The previous prime is 13130177. The next prime is 13130231. The reversal of 13130198 is 89103131.

13130198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282548 + ... + 3282551.

It is an arithmetic number, because the mean of its divisors is an integer number (4923825).

Almost surely, 213130198 is an apocalyptic number.

13130198 is a deficient number, since it is larger than the sum of its proper divisors (6565102).

13130198 is an equidigital number, since it uses as much as digits as its factorization.

13130198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565101.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 13130198 is about 3623.5615076883. The cubic root of 13130198 is about 235.9158346815.

The spelling of 13130198 in words is "thirteen million, one hundred thirty thousand, one hundred ninety-eight".

Divisors: 1 2 6565099 13130198