Base | Representation |
---|---|
bin | 1110011011010… |
… | …10101001111001 |
3 | 22102201121110221 |
4 | 13031222221321 |
5 | 221440214342 |
6 | 20001540041 |
7 | 2666452006 |
oct | 715525171 |
9 | 272647427 |
10 | 121023097 |
11 | 62350498 |
12 | 34644621 |
13 | 1c0c4800 |
14 | 121048ad |
15 | a958a67 |
hex | 736aa79 |
121023097 has 12 divisors (see below), whose sum is σ = 131358864. Its totient is φ = 111449520.
The previous prime is 121023083. The next prime is 121023143. The reversal of 121023097 is 790320121.
It is not a de Polignac number, because 121023097 - 215 = 120990329 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121023037) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136618 + ... + 137500.
It is an arithmetic number, because the mean of its divisors is an integer number (10946572).
Almost surely, 2121023097 is an apocalyptic number.
It is an amenable number.
121023097 is a deficient number, since it is larger than the sum of its proper divisors (10335767).
121023097 is an equidigital number, since it uses as much as digits as its factorization.
121023097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1720 (or 1707 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 121023097 is about 11001.0498135405. The cubic root of 121023097 is about 494.6402133369.
The spelling of 121023097 in words is "one hundred twenty-one million, twenty-three thousand, ninety-seven".
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