Base | Representation |
---|---|
bin | 1110100000100… |
… | …01110100010011 |
3 | 22111000101201010 |
4 | 13100101310103 |
5 | 222124122140 |
6 | 20024342003 |
7 | 3005333136 |
oct | 720216423 |
9 | 274011633 |
10 | 121707795 |
11 | 62778960 |
12 | 34914903 |
13 | 1c2a4361 |
14 | 1224221d |
15 | aa41880 |
hex | 7411d13 |
121707795 has 32 divisors (see below), whose sum is σ = 215147520. Its totient is φ = 58256640.
The previous prime is 121707793. The next prime is 121707799. The reversal of 121707795 is 597707121.
It is not a de Polignac number, because 121707795 - 21 = 121707793 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121707791) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8367 + ... + 17703.
It is an arithmetic number, because the mean of its divisors is an integer number (6723360).
Almost surely, 2121707795 is an apocalyptic number.
121707795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
121707795 is a deficient number, since it is larger than the sum of its proper divisors (93439725).
121707795 is a wasteful number, since it uses less digits than its factorization.
121707795 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9435.
The product of its (nonzero) digits is 30870, while the sum is 39.
The square root of 121707795 is about 11032.1255884802. The cubic root of 121707795 is about 495.5712820654.
The spelling of 121707795 in words is "one hundred twenty-one million, seven hundred seven thousand, seven hundred ninety-five".
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