Base | Representation |
---|---|
bin | 101111110000010110101101… |
… | …000110111010010111101101 |
3 | 1000112122202222111000121120120 |
4 | 233300112231012322113231 |
5 | 210012122143100341023 |
6 | 2022410542203435153 |
7 | 62145150311504100 |
oct | 5760265506722755 |
9 | 1015582874017516 |
10 | 210031100012013 |
11 | 60a16764503735 |
12 | 1b681526525ab9 |
13 | 9026b03665777 |
14 | 39c17b9300737 |
15 | 19435ce4958e3 |
hex | bf05ad1ba5ed |
210031100012013 has 24 divisors (see below), whose sum is σ = 325828320914880. Its totient is φ = 119993529902400.
The previous prime is 210031100011973. The next prime is 210031100012047. The reversal of 210031100012013 is 310210001130012.
It is a happy number.
It is not a de Polignac number, because 210031100012013 - 237 = 209893661058541 is a prime.
It is a super-2 number, since 2×2100311000120132 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 210031100011983 and 210031100012001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210031100012413) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143564568 + ... + 145020161.
It is an arithmetic number, because the mean of its divisors is an integer number (13576180038120).
Almost surely, 2210031100012013 is an apocalyptic number.
It is an amenable number.
210031100012013 is a deficient number, since it is larger than the sum of its proper divisors (115797220902867).
210031100012013 is a wasteful number, since it uses less digits than its factorization.
210031100012013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288589697 (or 288589690 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 210031100012013 its reverse (310210001130012), we get a palindrome (520241101142025).
The spelling of 210031100012013 in words is "two hundred ten trillion, thirty-one billion, one hundred million, twelve thousand, thirteen".
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