Base | Representation |
---|---|
bin | 111000111111101001… |
… | …0000010111100111001 |
3 | 102200220212212220100021 |
4 | 1301333102002330321 |
5 | 4001130444141101 |
6 | 132121031210441 |
7 | 11562023160235 |
oct | 1617722027471 |
9 | 380825786307 |
10 | 122394521401 |
11 | 479a8575529 |
12 | 1b879816a21 |
13 | b707305439 |
14 | 5cd137b5c5 |
15 | 32b52e85a1 |
hex | 1c7f482f39 |
122394521401 has 4 divisors (see below), whose sum is σ = 122643797904. Its totient is φ = 122145244900.
The previous prime is 122394521399. The next prime is 122394521407. The reversal of 122394521401 is 104125493221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122394521401 - 21 = 122394521399 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122394521407) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124637515 + ... + 124638496.
It is an arithmetic number, because the mean of its divisors is an integer number (30660949476).
Almost surely, 2122394521401 is an apocalyptic number.
It is an amenable number.
122394521401 is a deficient number, since it is larger than the sum of its proper divisors (249276503).
122394521401 is an equidigital number, since it uses as much as digits as its factorization.
122394521401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249276502.
The product of its (nonzero) digits is 17280, while the sum is 34.
The spelling of 122394521401 in words is "one hundred twenty-two billion, three hundred ninety-four million, five hundred twenty-one thousand, four hundred one".
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