Base | Representation |
---|---|
bin | 101111001000111001… |
… | …1000100110001100111 |
3 | 100200021220201201212202 |
4 | 1132101303010301213 |
5 | 3124304431124111 |
6 | 114300553205115 |
7 | 10212403430162 |
oct | 1362163046147 |
9 | 320256651782 |
10 | 101230333031 |
11 | 39a2797a563 |
12 | 17751a0079b |
13 | 9713694659 |
14 | 4c84608ad9 |
15 | 2977267b3b |
hex | 1791cc4c67 |
101230333031 has 32 divisors (see below), whose sum is σ = 108956759040. Its totient is φ = 93875354496.
The previous prime is 101230333027. The next prime is 101230333049. The reversal of 101230333031 is 130333032101.
It is not a de Polignac number, because 101230333031 - 22 = 101230333027 is a prime.
It is a super-2 number, since 2×1012303330312 (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 = 101230332994 and 101230333012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101230333091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25841885 + ... + 25845801.
It is an arithmetic number, because the mean of its divisors is an integer number (3404898720).
Almost surely, 2101230333031 is an apocalyptic number.
101230333031 is a deficient number, since it is larger than the sum of its proper divisors (7726426009).
101230333031 is a wasteful number, since it uses less digits than its factorization.
101230333031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4343.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 101230333031 its reverse (130333032101), we get a palindrome (231563365132).
The spelling of 101230333031 in words is "one hundred one billion, two hundred thirty million, three hundred thirty-three thousand, thirty-one".
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