Base | Representation |
---|---|
bin | 1110100000100… |
… | …11010000110011 |
3 | 22111000200211101 |
4 | 13100103100303 |
5 | 222124314330 |
6 | 20024425231 |
7 | 3005356324 |
oct | 720232063 |
9 | 274020741 |
10 | 121713715 |
11 | 62782352 |
12 | 34918217 |
13 | 1c2a6c66 |
14 | 1224444b |
15 | aa434ca |
hex | 7413433 |
121713715 has 16 divisors (see below), whose sum is σ = 154206720. Its totient is φ = 91968480.
The previous prime is 121713689. The next prime is 121713731. The reversal of 121713715 is 517317121.
It is not a de Polignac number, because 121713715 - 27 = 121713587 is a prime.
It is a plaindrome in base 14.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33120 + ... + 36610.
It is an arithmetic number, because the mean of its divisors is an integer number (9637920).
Almost surely, 2121713715 is an apocalyptic number.
121713715 is a deficient number, since it is larger than the sum of its proper divisors (32493005).
121713715 is a wasteful number, since it uses less digits than its factorization.
121713715 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3882.
The product of its digits is 1470, while the sum is 28.
The square root of 121713715 is about 11032.3938925330. The cubic root of 121713715 is about 495.5793169778.
The spelling of 121713715 in words is "one hundred twenty-one million, seven hundred thirteen thousand, seven hundred fifteen".
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