Base | Representation |
---|---|
bin | 111001011000010011… |
… | …1110110010100010001 |
3 | 102210001120112110002111 |
4 | 1302300213312110101 |
5 | 4004324403223101 |
6 | 132335121545321 |
7 | 11621364304345 |
oct | 1626047662421 |
9 | 383046473074 |
10 | 123222320401 |
11 | 48292873134 |
12 | 1ba6aaa5241 |
13 | b80996c52b |
14 | 5d6d2a1625 |
15 | 3312d12251 |
hex | 1cb09f6511 |
123222320401 has 4 divisors (see below), whose sum is σ = 123329378304. Its totient is φ = 123115262500.
The previous prime is 123222320387. The next prime is 123222320461. The reversal of 123222320401 is 104023222321.
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, and also an emirpimes, since its reverse is a distinct semiprime: 104023222321 = 236867 ⋅439163.
It is a cyclic number.
It is not a de Polignac number, because 123222320401 - 211 = 123222318353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123222320461) 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, 53527225 + ... + 53529526.
It is an arithmetic number, because the mean of its divisors is an integer number (30832344576).
Almost surely, 2123222320401 is an apocalyptic number.
It is an amenable number.
123222320401 is a deficient number, since it is larger than the sum of its proper divisors (107057903).
123222320401 is a wasteful number, since it uses less digits than its factorization.
123222320401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107057902.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 123222320401 its reverse (104023222321), we get a palindrome (227245542722).
The spelling of 123222320401 in words is "one hundred twenty-three billion, two hundred twenty-two million, three hundred twenty thousand, four hundred one".
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