Base | Representation |
---|---|
bin | 11101110101001111100100… |
… | …100001101011000101111100 |
3 | 122012112210210220110011112011 |
4 | 131311033210201223011330 |
5 | 114144104101201222140 |
6 | 1143013243020421004 |
7 | 36431021553252121 |
oct | 3565174441530574 |
9 | 565483726404464 |
10 | 131202200023420 |
11 | 388945a452a499 |
12 | 1286ba473a7764 |
13 | 58294118ac0a6 |
14 | 245831296c748 |
15 | 1027d0c4a7cea |
hex | 7753e486b17c |
131202200023420 has 12 divisors (see below), whose sum is σ = 275524620049224. Its totient is φ = 52480880009360.
The previous prime is 131202200023409. The next prime is 131202200023421. The reversal of 131202200023420 is 24320002202131.
It is a super-2 number, since 2×1312022000234202 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131202200023391 and 131202200023400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131202200023421) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3280055000566 + ... + 3280055000605.
It is an arithmetic number, because the mean of its divisors is an integer number (22960385004102).
Almost surely, 2131202200023420 is an apocalyptic number.
131202200023420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131202200023420 is an abundant number, since it is smaller than the sum of its proper divisors (144322420025804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131202200023420 is a wasteful number, since it uses less digits than its factorization.
131202200023420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6560110001180 (or 6560110001178 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 131202200023420 its reverse (24320002202131), we get a palindrome (155522202225551).
The spelling of 131202200023420 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred million, twenty-three thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •