Base | Representation |
---|---|
bin | 1110101001111… |
… | …11111010110001 |
3 | 22120100021002222 |
4 | 13110333322301 |
5 | 222433221301 |
6 | 20111050425 |
7 | 3022005551 |
oct | 724777261 |
9 | 276307088 |
10 | 122945201 |
11 | 63443605 |
12 | 35210a15 |
13 | 1c618652 |
14 | 12485161 |
15 | abd831b |
hex | 753feb1 |
122945201 has 4 divisors (see below), whose sum is σ = 124780272. Its totient is φ = 121110132.
The previous prime is 122945171. The next prime is 122945227. The reversal of 122945201 is 102549221.
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 a de Polignac number, because none of the positive numbers 2k-122945201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122945261) 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, 917435 + ... + 917568.
It is an arithmetic number, because the mean of its divisors is an integer number (31195068).
Almost surely, 2122945201 is an apocalyptic number.
It is an amenable number.
122945201 is a deficient number, since it is larger than the sum of its proper divisors (1835071).
122945201 is an equidigital number, since it uses as much as digits as its factorization.
122945201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1835070.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 122945201 is about 11088.0657014648. The cubic root of 122945201 is about 497.2451171177.
The spelling of 122945201 in words is "one hundred twenty-two million, nine hundred forty-five thousand, two hundred one".
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