Base | Representation |
---|---|
bin | 11000100001000010… |
… | …00000001101011110 |
3 | 1020222021121022112112 |
4 | 30100201000031132 |
5 | 203423432121313 |
6 | 10014015034022 |
7 | 644111026436 |
oct | 142041001536 |
9 | 36867538475 |
10 | 13161988958 |
11 | 5644666128 |
12 | 2673b0b912 |
13 | 1319b0a861 |
14 | 8cc0952c6 |
15 | 52079d8a8 |
hex | 31084035e |
13161988958 has 4 divisors (see below), whose sum is σ = 19742983440. Its totient is φ = 6580994478.
The previous prime is 13161988949. The next prime is 13161988991. The reversal of 13161988958 is 85988916131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85988916131 = 29 ⋅2965135039.
It is a junction number, because it is equal to n+sod(n) for n = 13161988897 and 13161988906.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3290497238 + ... + 3290497241.
It is an arithmetic number, because the mean of its divisors is an integer number (4935745860).
Almost surely, 213161988958 is an apocalyptic number.
13161988958 is a deficient number, since it is larger than the sum of its proper divisors (6580994482).
13161988958 is an equidigital number, since it uses as much as digits as its factorization.
13161988958 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6580994481.
The product of its digits is 3732480, while the sum is 59.
The spelling of 13161988958 in words is "thirteen billion, one hundred sixty-one million, nine hundred eighty-eight thousand, nine hundred fifty-eight".
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