Base | Representation |
---|---|
bin | 11001111010100000… |
… | …00000000100001101 |
3 | 1022220120211120020121 |
4 | 30331100000010031 |
5 | 211443100203022 |
6 | 10220305144541 |
7 | 1001523232561 |
oct | 147520000415 |
9 | 38816746217 |
10 | 13912506637 |
11 | 599a27a177 |
12 | 284332b151 |
13 | 1409456b63 |
14 | 95da1d6a1 |
15 | 5665ee2c7 |
hex | 33d40010d |
13912506637 has 2 divisors, whose sum is σ = 13912506638. Its totient is φ = 13912506636.
The previous prime is 13912506607. The next prime is 13912506697. The reversal of 13912506637 is 73660521931.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9415597156 + 4496909481 = 97034^2 + 67059^2 .
It is a cyclic number.
It is not a de Polignac number, because 13912506637 - 211 = 13912504589 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13912506593 and 13912506602.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13912506607) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6956253318 + 6956253319.
It is an arithmetic number, because the mean of its divisors is an integer number (6956253319).
Almost surely, 213912506637 is an apocalyptic number.
It is an amenable number.
13912506637 is a deficient number, since it is larger than the sum of its proper divisors (1).
13912506637 is an equidigital number, since it uses as much as digits as its factorization.
13912506637 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 204120, while the sum is 43.
The spelling of 13912506637 in words is "thirteen billion, nine hundred twelve million, five hundred six thousand, six hundred thirty-seven".
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