Base | Representation |
---|---|
bin | 11101110101010111111110… |
… | …111111111111101101110100 |
3 | 122012120200010111200112121010 |
4 | 131311113332333333231310 |
5 | 114144231101413130140 |
6 | 1143021335300352220 |
7 | 36431461461620625 |
oct | 3565277677775564 |
9 | 565520114615533 |
10 | 131211234114420 |
11 | 3889840aa957a9 |
12 | 128717489a5670 |
13 | 582a221437475 |
14 | 245892c6d9a4c |
15 | 102818a66a880 |
hex | 7755fefffb74 |
131211234114420 has 48 divisors (see below), whose sum is σ = 377320954324608. Its totient is φ = 34043995877760.
The previous prime is 131211234114283. The next prime is 131211234114421. The reversal of 131211234114420 is 24411432112131.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131211234114421) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29552077536 + ... + 29552081975.
It is an arithmetic number, because the mean of its divisors is an integer number (7860853215096).
Almost surely, 2131211234114420 is an apocalyptic number.
131211234114420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131211234114420 is an abundant number, since it is smaller than the sum of its proper divisors (246109720210188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131211234114420 is a wasteful number, since it uses less digits than its factorization.
131211234114420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59104159560 (or 59104159558 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
Adding to 131211234114420 its reverse (24411432112131), we get a palindrome (155622666226551).
The spelling of 131211234114420 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred thirty-four million, one hundred fourteen thousand, four hundred twenty".
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