Base | Representation |
---|---|
bin | 1110011111111… |
… | …10001001101101 |
3 | 22110212022012210 |
4 | 13033332021231 |
5 | 222114032440 |
6 | 20022521033 |
7 | 3004546245 |
oct | 717761155 |
9 | 273768183 |
10 | 121627245 |
11 | 62723393 |
12 | 34896179 |
13 | 1c2767ac |
14 | 12220b25 |
15 | aa27a80 |
hex | 73fe26d |
121627245 has 16 divisors (see below), whose sum is σ = 194769792. Its totient is φ = 64812480.
The previous prime is 121627237. The next prime is 121627267. The reversal of 121627245 is 542726121.
It is not a de Polignac number, because 121627245 - 23 = 121627237 is a prime.
It is a congruent number.
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, 19680 + ... + 25110.
It is an arithmetic number, because the mean of its divisors is an integer number (12173112).
Almost surely, 2121627245 is an apocalyptic number.
121627245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
121627245 is a deficient number, since it is larger than the sum of its proper divisors (73142547).
121627245 is a wasteful number, since it uses less digits than its factorization.
121627245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6932.
The product of its digits is 6720, while the sum is 30.
The square root of 121627245 is about 11028.4742825107. The cubic root of 121627245 is about 495.4619297805.
The spelling of 121627245 in words is "one hundred twenty-one million, six hundred twenty-seven thousand, two hundred forty-five".
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