Base | Representation |
---|---|
bin | 101111000010111101… |
… | …0110011000011101111 |
3 | 100122210000201010220220 |
4 | 1132011322303003233 |
5 | 3123402420443043 |
6 | 114225113342423 |
7 | 10204433410566 |
oct | 1360572630357 |
9 | 318700633826 |
10 | 101031031023 |
11 | 39935423a5a |
12 | 176b7107a13 |
13 | 96b12c2c80 |
14 | 4c65d68bdd |
15 | 29649ea483 |
hex | 1785eb30ef |
101031031023 has 32 divisors (see below), whose sum is σ = 148872573696. Its totient is φ = 60551705088.
The previous prime is 101031031021. The next prime is 101031031051. The reversal of 101031031023 is 320130130101.
It is not a de Polignac number, because 101031031023 - 21 = 101031031021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 101031030993 and 101031031011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101031031021) 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, 495111 + ... + 668727.
It is an arithmetic number, because the mean of its divisors is an integer number (4652267928).
Almost surely, 2101031031023 is an apocalyptic number.
101031031023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
101031031023 is a deficient number, since it is larger than the sum of its proper divisors (47841542673).
101031031023 is a wasteful number, since it uses less digits than its factorization.
101031031023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174023.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 101031031023 its reverse (320130130101), we get a palindrome (421161161124).
The spelling of 101031031023 in words is "one hundred one billion, thirty-one million, thirty-one thousand, twenty-three".
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