Base | Representation |
---|---|
bin | 111001010010000101… |
… | …0100101000100101001 |
3 | 102202112000021011210222 |
4 | 1302210022211010221 |
5 | 4003412402233001 |
6 | 132302254215425 |
7 | 11613245655554 |
oct | 1624412450451 |
9 | 382460234728 |
10 | 123013321001 |
11 | 481958a385a |
12 | 1ba10ab4575 |
13 | b7a5583c4c |
14 | 5d4d61969b |
15 | 32ee7cb61b |
hex | 1ca42a5129 |
123013321001 has 12 divisors (see below), whose sum is σ = 126000472752. Its totient is φ = 120095453016.
The previous prime is 123013320977. The next prime is 123013321073. The reversal of 123013321001 is 100123310321.
It is not a de Polignac number, because 123013321001 - 210 = 123013319977 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (123013321901) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4177010 + ... + 4206356.
It is an arithmetic number, because the mean of its divisors is an integer number (10500039396).
Almost surely, 2123013321001 is an apocalyptic number.
It is an amenable number.
123013321001 is a deficient number, since it is larger than the sum of its proper divisors (2987151751).
123013321001 is an equidigital number, since it uses as much as digits as its factorization.
123013321001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31700 (or 31657 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 123013321001 its reverse (100123310321), we get a palindrome (223136631322).
The spelling of 123013321001 in words is "one hundred twenty-three billion, thirteen million, three hundred twenty-one thousand, one".
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