Base | Representation |
---|---|
bin | 11101110010011110100111… |
… | …101001001011110000100110 |
3 | 122011212122101110220222212121 |
4 | 131302132213221023300212 |
5 | 114133000441201133110 |
6 | 1142350101313140154 |
7 | 36411214310010106 |
oct | 3562364751136046 |
9 | 564778343828777 |
10 | 131012200021030 |
11 | 38820a64481529 |
12 | 1283b06085a65a |
13 | 5814522279283 |
14 | 244d04aa0d206 |
15 | 1022ddbde0cda |
hex | 7727a7a4bc26 |
131012200021030 has 16 divisors (see below), whose sum is σ = 246075088735584. Its totient is φ = 50126406964480.
The previous prime is 131012200020997. The next prime is 131012200021037. The reversal of 131012200021030 is 30120002210131.
It is a junction number, because it is equal to n+sod(n) for n = 131012200020995 and 131012200021013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131012200021037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284809130251 + ... + 284809130710.
It is an arithmetic number, because the mean of its divisors is an integer number (15379693045974).
Almost surely, 2131012200021030 is an apocalyptic number.
131012200021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131012200021030 is a deficient number, since it is larger than the sum of its proper divisors (115062888714554).
131012200021030 is a wasteful number, since it uses less digits than its factorization.
131012200021030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 569618260991.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 131012200021030 its reverse (30120002210131), we get a palindrome (161132202231161).
The spelling of 131012200021030 in words is "one hundred thirty-one trillion, twelve billion, two hundred million, twenty-one thousand, thirty".
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