Base | Representation |
---|---|
bin | 111000011000110100… |
… | …1110111111111100111 |
3 | 102120120010020022221222 |
4 | 1300301221313333213 |
5 | 3440444042121002 |
6 | 131343504530555 |
7 | 11514530151662 |
oct | 1606151677747 |
9 | 376503208858 |
10 | 121092145127 |
11 | 4739a3a49a8 |
12 | 1b575620a5b |
13 | b55a5479a5 |
14 | 5c0a3dc6d9 |
15 | 323acd91a2 |
hex | 1c31a77fe7 |
121092145127 has 8 divisors (see below), whose sum is σ = 122267199600. Its totient is φ = 119921310784.
The previous prime is 121092145117. The next prime is 121092145133. The reversal of 121092145127 is 721541290121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121092145127 - 26 = 121092145063 is a prime.
It is a super-2 number, since 2×1210921451272 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121092145117) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997352 + ... + 1112157.
It is an arithmetic number, because the mean of its divisors is an integer number (15283399950).
Almost surely, 2121092145127 is an apocalyptic number.
121092145127 is a deficient number, since it is larger than the sum of its proper divisors (1175054473).
121092145127 is a wasteful number, since it uses less digits than its factorization.
121092145127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2110065.
The product of its (nonzero) digits is 10080, while the sum is 35.
The spelling of 121092145127 in words is "one hundred twenty-one billion, ninety-two million, one hundred forty-five thousand, one hundred twenty-seven".
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