Base | Representation |
---|---|
bin | 1110100010010… |
… | …00100110100011 |
3 | 22111102210112020 |
4 | 13101020212203 |
5 | 222203312240 |
6 | 20033232523 |
7 | 3010256310 |
oct | 721104643 |
9 | 274383466 |
10 | 121932195 |
11 | 62911510 |
12 | 34a02743 |
13 | 1c352538 |
14 | 1229dd07 |
15 | aa880d0 |
hex | 74489a3 |
121932195 has 64 divisors (see below), whose sum is σ = 244823040. Its totient is φ = 50342400.
The previous prime is 121932193. The next prime is 121932197. The reversal of 121932195 is 591239121.
It is an interprime number because it is at equal distance from previous prime (121932193) and next prime (121932197).
It is not a de Polignac number, because 121932195 - 21 = 121932193 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (121932191) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 264265 + ... + 264725.
It is an arithmetic number, because the mean of its divisors is an integer number (3825360).
Almost surely, 2121932195 is an apocalyptic number.
121932195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
121932195 is an abundant number, since it is smaller than the sum of its proper divisors (122890845).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121932195 is a wasteful number, since it uses less digits than its factorization.
121932195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 716.
The product of its digits is 4860, while the sum is 33.
The square root of 121932195 is about 11042.2912024634. The cubic root of 121932195 is about 495.8756666223.
The spelling of 121932195 in words is "one hundred twenty-one million, nine hundred thirty-two thousand, one hundred ninety-five".
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