Base | Representation |
---|---|
bin | 111101000110011111… |
… | …1010111000000100001 |
3 | 110112200120010002222001 |
4 | 1322030333113000201 |
5 | 4122211344012213 |
6 | 140140140444001 |
7 | 12323421216121 |
oct | 1721477270041 |
9 | 415616102861 |
10 | 131214438433 |
11 | 50714147761 |
12 | 2151b549601 |
13 | c4b1682b60 |
14 | 64ca8b6c81 |
15 | 362e7a21dd |
hex | 1e8cfd7021 |
131214438433 has 16 divisors (see below), whose sum is σ = 141819366976. Its totient is φ = 120683027520.
The previous prime is 131214438427. The next prime is 131214438449. The reversal of 131214438433 is 334834412131.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131214438433 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131214438392 and 131214438401.
It is not an unprimeable number, because it can be changed into a prime (131214438533) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 8025535 + ... + 8041867.
It is an arithmetic number, because the mean of its divisors is an integer number (8863710436).
Almost surely, 2131214438433 is an apocalyptic number.
131214438433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
131214438433 is a deficient number, since it is larger than the sum of its proper divisors (10604928543).
131214438433 is a wasteful number, since it uses less digits than its factorization.
131214438433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18544.
The product of its digits is 82944, while the sum is 37.
The spelling of 131214438433 in words is "one hundred thirty-one billion, two hundred fourteen million, four hundred thirty-eight thousand, four hundred thirty-three".
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