Base | Representation |
---|---|
bin | 1110101000001… |
… | …00011100111111 |
3 | 22112212212222212 |
4 | 13110010130333 |
5 | 222402423011 |
6 | 20101531035 |
7 | 3016642463 |
oct | 724043477 |
9 | 275785885 |
10 | 122701631 |
11 | 63297608 |
12 | 35113a7b |
13 | 1c561820 |
14 | 124204a3 |
15 | ab8b08b |
hex | 750473f |
122701631 has 16 divisors (see below), whose sum is σ = 142902144. Its totient is φ = 104323584.
The previous prime is 122701613. The next prime is 122701637. The reversal of 122701631 is 136107221.
It is a cyclic number.
It is not a de Polignac number, because 122701631 - 214 = 122685247 is a prime.
It is a super-2 number, since 2×1227016312 = 30111380500120322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122701597 and 122701606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122701637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4481 + ... + 16293.
It is an arithmetic number, because the mean of its divisors is an integer number (8931384).
Almost surely, 2122701631 is an apocalyptic number.
122701631 is a deficient number, since it is larger than the sum of its proper divisors (20200513).
122701631 is a wasteful number, since it uses less digits than its factorization.
122701631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11890.
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 122701631 is about 11077.0768255890. The cubic root of 122701631 is about 496.9165315337.
Adding to 122701631 its reverse (136107221), we get a palindrome (258808852).
The spelling of 122701631 in words is "one hundred twenty-two million, seven hundred one thousand, six hundred thirty-one".
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