Base | Representation |
---|---|
bin | 11001101110101010… |
… | …00101001011010101 |
3 | 1022122122220222211222 |
4 | 30313111011023111 |
5 | 211242133044442 |
6 | 10202400140125 |
7 | 666206023136 |
oct | 146725051325 |
9 | 38578828758 |
10 | 13813174997 |
11 | 59491a4906 |
12 | 2816007645 |
13 | 13c19b863b |
14 | 950763c8d |
15 | 55ca2c8d2 |
hex | 3375452d5 |
13813174997 has 4 divisors (see below), whose sum is σ = 14019341856. Its totient is φ = 13607008140.
The previous prime is 13813174891. The next prime is 13813175003. The reversal of 13813174997 is 79947131831.
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.
It is a cyclic number.
It is not a de Polignac number, because 13813174997 - 216 = 13813109461 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13813174597) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103083329 + ... + 103083462.
It is an arithmetic number, because the mean of its divisors is an integer number (3504835464).
Almost surely, 213813174997 is an apocalyptic number.
It is an amenable number.
13813174997 is a deficient number, since it is larger than the sum of its proper divisors (206166859).
13813174997 is an equidigital number, since it uses as much as digits as its factorization.
13813174997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206166858.
The product of its digits is 1143072, while the sum is 53.
The spelling of 13813174997 in words is "thirteen billion, eight hundred thirteen million, one hundred seventy-four thousand, nine hundred ninety-seven".
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