Base | Representation |
---|---|
bin | 111001010010101001… |
… | …0100110001101011111 |
3 | 102202120022210022222022 |
4 | 1302211102212031133 |
5 | 4003432220400111 |
6 | 132304211010355 |
7 | 11613565305506 |
oct | 1624522461537 |
9 | 382508708868 |
10 | 123032200031 |
11 | 481a5518964 |
12 | 1ba172999bb |
13 | b7a9464080 |
14 | 5d51d3183d |
15 | 33012aa2db |
hex | 1ca54a635f |
123032200031 has 16 divisors (see below), whose sum is σ = 141551356800. Its totient is φ = 105985063008.
The previous prime is 123032199959. The next prime is 123032200043. The reversal of 123032200031 is 130002230321.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123032200031 is a prime.
It is a super-2 number, since 2×1230322000312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123032199982 and 123032200009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123032200061) 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, 3700661 + ... + 3733758.
It is an arithmetic number, because the mean of its divisors is an integer number (8846959800).
Almost surely, 2123032200031 is an apocalyptic number.
123032200031 is a deficient number, since it is larger than the sum of its proper divisors (18519156769).
123032200031 is a wasteful number, since it uses less digits than its factorization.
123032200031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7434518.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 123032200031 its reverse (130002230321), we get a palindrome (253034430352).
The spelling of 123032200031 in words is "one hundred twenty-three billion, thirty-two million, two hundred thousand, thirty-one".
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