Base | Representation |
---|---|
bin | 11101110010100111000000… |
… | …010101100001110001011111 |
3 | 122011220111121222221101001100 |
4 | 131302213000111201301133 |
5 | 114133122411240431221 |
6 | 1142354151004444143 |
7 | 36411653403363630 |
oct | 3562470025416137 |
9 | 564814558841040 |
10 | 131021204233311 |
11 | 3882486508a487 |
12 | 12840954249653 |
13 | 5815328872932 |
14 | 244d6627dd887 |
15 | 1023267650926 |
hex | 7729c0561c5f |
131021204233311 has 48 divisors (see below), whose sum is σ = 231235269018624. Its totient is φ = 69781057396992.
The previous prime is 131021204233307. The next prime is 131021204233319. The reversal of 131021204233311 is 113332402120131.
131021204233311 is a `hidden beast` number, since 1 + 3 + 10 + 212 + 0 + 423 + 3 + 3 + 11 = 666.
131021204233311 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 131021204233311 - 22 = 131021204233307 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131021204233319) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 593750811 + ... + 593971436.
It is an arithmetic number, because the mean of its divisors is an integer number (4817401437888).
Almost surely, 2131021204233311 is an apocalyptic number.
131021204233311 is a deficient number, since it is larger than the sum of its proper divisors (100214064785313).
131021204233311 is a wasteful number, since it uses less digits than its factorization.
131021204233311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1187722380 (or 1187722377 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Adding to 131021204233311 its reverse (113332402120131), we get a palindrome (244353606353442).
The spelling of 131021204233311 in words is "one hundred thirty-one trillion, twenty-one billion, two hundred four million, two hundred thirty-three thousand, three hundred eleven".
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