Base | Representation |
---|---|
bin | 11101110101011000101100… |
… | …101010011111111111101001 |
3 | 122012120202002220021022112010 |
4 | 131311120230222133333221 |
5 | 114144234134024401101 |
6 | 1143021543305110133 |
7 | 36431516453534055 |
oct | 3565305452377751 |
9 | 565522086238463 |
10 | 131212000231401 |
11 | 38898773493831 |
12 | 12871921488349 |
13 | 582a314085b1b |
14 | 24589a2364c65 |
15 | 10281d2a4d2d6 |
hex | 77562ca9ffe9 |
131212000231401 has 8 divisors (see below), whose sum is σ = 174949548006240. Its totient is φ = 87474559638752.
The previous prime is 131212000231397. The next prime is 131212000231427. The reversal of 131212000231401 is 104132000212131.
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 131212000231401 - 22 = 131212000231397 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131212000239401) 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, 23894211 + ... + 28867928.
It is an arithmetic number, because the mean of its divisors is an integer number (21868693500780).
Almost surely, 2131212000231401 is an apocalyptic number.
It is an amenable number.
131212000231401 is a deficient number, since it is larger than the sum of its proper divisors (43737547774839).
131212000231401 is an equidigital number, since it uses as much as digits as its factorization.
131212000231401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53591095.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 131212000231401 its reverse (104132000212131), we get a palindrome (235344000443532).
The spelling of 131212000231401 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirty-one thousand, four hundred one".
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