Base | Representation |
---|---|
bin | 1100100100001001000010… |
… | …0110000011010100111011 |
3 | 1210220201000221101220201220 |
4 | 3021002100212003110323 |
5 | 3302321200410440024 |
6 | 45214313031443123 |
7 | 2624050405401543 |
oct | 311022046032473 |
9 | 53821027356656 |
10 | 13815040718139 |
11 | 4446a20367661 |
12 | 16715452264a3 |
13 | 7929a2a394bb |
14 | 35a919b70323 |
15 | 18e563132e79 |
hex | c909098353b |
13815040718139 has 16 divisors (see below), whose sum is σ = 18845520798720. Its totient is φ = 8999697657600.
The previous prime is 13815040718131. The next prime is 13815040718147. The reversal of 13815040718139 is 93181704051831.
It is an interprime number because it is at equal distance from previous prime (13815040718131) and next prime (13815040718147).
It is not a de Polignac number, because 13815040718139 - 23 = 13815040718131 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13815040718091 and 13815040718100.
It is not an unprimeable number, because it can be changed into a prime (13815040718131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300447687 + ... + 300493664.
It is an arithmetic number, because the mean of its divisors is an integer number (1177845049920).
Almost surely, 213815040718139 is an apocalyptic number.
13815040718139 is a deficient number, since it is larger than the sum of its proper divisors (5030480080581).
13815040718139 is an equidigital number, since it uses as much as digits as its factorization.
13815040718139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 600941530.
The product of its (nonzero) digits is 725760, while the sum is 51.
The spelling of 13815040718139 in words is "thirteen trillion, eight hundred fifteen billion, forty million, seven hundred eighteen thousand, one hundred thirty-nine".
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