Base | Representation |
---|---|
bin | 111001010001101111… |
… | …1011011101000010011 |
3 | 102202111012222112012212 |
4 | 1302203133123220103 |
5 | 4003402003311011 |
6 | 132301211542335 |
7 | 11613050556350 |
oct | 1624337335023 |
9 | 382435875185 |
10 | 123002010131 |
11 | 4818a478830 |
12 | 1ba0915a9ab |
13 | b7a3123820 |
14 | 5d4bd13627 |
15 | 32ed7e508b |
hex | 1ca37dba13 |
123002010131 has 32 divisors (see below), whose sum is σ = 165207264768. Its totient is φ = 88442058240.
The previous prime is 123002010113. The next prime is 123002010143. The reversal of 123002010131 is 131010200321.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123002010131 is a prime.
It is a super-2 number, since 2×1230020101312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (123002010731) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3066155 + ... + 3106011.
It is an arithmetic number, because the mean of its divisors is an integer number (5162727024).
Almost surely, 2123002010131 is an apocalyptic number.
123002010131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
123002010131 is a deficient number, since it is larger than the sum of its proper divisors (42205254637).
123002010131 is a wasteful number, since it uses less digits than its factorization.
123002010131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42971.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 123002010131 its reverse (131010200321), we get a palindrome (254012210452).
The spelling of 123002010131 in words is "one hundred twenty-three billion, two million, ten thousand, one hundred thirty-one".
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