Base | Representation |
---|---|
bin | 1110011011110… |
… | …01101100000000 |
3 | 22102211201221111 |
4 | 13031321230000 |
5 | 221444202142 |
6 | 20003133104 |
7 | 3000126352 |
oct | 715715400 |
9 | 272751844 |
10 | 121084672 |
11 | 62392785 |
12 | 34674194 |
13 | 1c116847 |
14 | 1211d0d2 |
15 | a96be17 |
hex | 7379b00 |
121084672 has 36 divisors (see below), whose sum is σ = 242406136. Its totient is φ = 60364800.
The previous prime is 121084661. The next prime is 121084679. The reversal of 121084672 is 276480121.
It is a super-2 number, since 2×1210846722 = 29322995586695168, which contains 22 as substring.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (121084679) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153463 + ... + 154249.
Almost surely, 2121084672 is an apocalyptic number.
It is an amenable number.
121084672 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
121084672 is an frugal number, since it uses more digits than its factorization.
121084672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1404 (or 1390 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 121084672 is about 11003.8480542036. The cubic root of 121084672 is about 494.7240879798.
The spelling of 121084672 in words is "one hundred twenty-one million, eighty-four thousand, six hundred seventy-two".
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