Base | Representation |
---|---|
bin | 11000100100101100… |
… | …11101011001111110 |
3 | 1021001102112122001220 |
4 | 30102112131121332 |
5 | 204004322420030 |
6 | 10021035014210 |
7 | 644633526450 |
oct | 142226353176 |
9 | 37042478056 |
10 | 13192779390 |
11 | 565aa8646a |
12 | 268229a366 |
13 | 13232cb54b |
14 | 8d21cc2d0 |
15 | 523331a10 |
hex | 31259d67e |
13192779390 has 64 divisors (see below), whose sum is σ = 38090442240. Its totient is φ = 2856781440.
The previous prime is 13192779377. The next prime is 13192779403. The reversal of 13192779390 is 9397729131.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (13192779377) and next prime (13192779403).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1649241 + ... + 1657220.
It is an arithmetic number, because the mean of its divisors is an integer number (595163160).
Almost surely, 213192779390 is an apocalyptic number.
13192779390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13192779390 is an abundant number, since it is smaller than the sum of its proper divisors (24897662850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13192779390 is a wasteful number, since it uses less digits than its factorization.
13192779390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3306497.
The product of its (nonzero) digits is 642978, while the sum is 51.
The spelling of 13192779390 in words is "thirteen billion, one hundred ninety-two million, seven hundred seventy-nine thousand, three hundred ninety".
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