Base | Representation |
---|---|
bin | 1110100001110… |
… | …00011001101000 |
3 | 22111022102111100 |
4 | 13100320121220 |
5 | 222144201312 |
6 | 20032001400 |
7 | 3006561654 |
oct | 720703150 |
9 | 274272440 |
10 | 121865832 |
11 | 62876670 |
12 | 34990260 |
13 | 1c32b27a |
14 | 12283a64 |
15 | aa735dc |
hex | 7438668 |
121865832 has 48 divisors (see below), whose sum is σ = 360060480. Its totient is φ = 36928800.
The previous prime is 121865813. The next prime is 121865851. The reversal of 121865832 is 238568121.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (121865813) and next prime (121865851).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76144 + ... + 77727.
It is an arithmetic number, because the mean of its divisors is an integer number (7501260).
Almost surely, 2121865832 is an apocalyptic number.
121865832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121865832 is an abundant number, since it is smaller than the sum of its proper divisors (238194648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121865832 is a wasteful number, since it uses less digits than its factorization.
121865832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153894 (or 153887 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 121865832 is about 11039.2858464667. The cubic root of 121865832 is about 495.7856882841.
The spelling of 121865832 in words is "one hundred twenty-one million, eight hundred sixty-five thousand, eight hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •