Base | Representation |
---|---|
bin | 111101001110011100… |
… | …1010100110111011101 |
3 | 110120101011020200120212 |
4 | 1322130321110313131 |
5 | 4123233202323003 |
6 | 140222432222205 |
7 | 12333141354443 |
oct | 1723471246735 |
9 | 416334220525 |
10 | 131481292253 |
11 | 50840841a03 |
12 | 2159499a965 |
13 | c524a4691c |
14 | 65140dcb93 |
15 | 3647e14dd8 |
hex | 1e9ce54ddd |
131481292253 has 4 divisors (see below), whose sum is σ = 134538996768. Its totient is φ = 128423587740.
The previous prime is 131481292213. The next prime is 131481292307. The reversal of 131481292253 is 352292184131.
It is a happy number.
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, and also an emirpimes, since its reverse is a distinct semiprime: 352292184131 = 3967 ⋅88805693.
It is a cyclic number.
It is not a de Polignac number, because 131481292253 - 210 = 131481291229 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131481292253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131481292213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528852193 + ... + 1528852278.
It is an arithmetic number, because the mean of its divisors is an integer number (33634749192).
Almost surely, 2131481292253 is an apocalyptic number.
It is an amenable number.
131481292253 is a deficient number, since it is larger than the sum of its proper divisors (3057704515).
131481292253 is an equidigital number, since it uses as much as digits as its factorization.
131481292253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3057704514.
The product of its digits is 103680, while the sum is 41.
The spelling of 131481292253 in words is "one hundred thirty-one billion, four hundred eighty-one million, two hundred ninety-two thousand, two hundred fifty-three".
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