Base | Representation |
---|---|
bin | 11101110010111100100111… |
… | …001010000101010111110000 |
3 | 122011222201111211121212220110 |
4 | 131302330213022011113300 |
5 | 114134012414423414440 |
6 | 1142412545042541320 |
7 | 36413434332241425 |
oct | 3562744712052760 |
9 | 564881454555813 |
10 | 131044404123120 |
11 | 3883368a897034 |
12 | 12845349967840 |
13 | 581758517ab97 |
14 | 2450823a81d4c |
15 | 1023b74297080 |
hex | 772f272855f0 |
131044404123120 has 160 divisors (see below), whose sum is σ = 415604973579264. Its totient is φ = 34148094668800.
The previous prime is 131044404123109. The next prime is 131044404123121. The reversal of 131044404123120 is 21321404440131.
It is a happy number.
It is a super-2 number, since 2×1310444041231202 (a number of 29 digits) contains 22 as substring.
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 (131044404123121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32102796 + ... + 35953835.
Almost surely, 2131044404123120 is an apocalyptic number.
131044404123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131044404123120 is an abundant number, since it is smaller than the sum of its proper divisors (284560569456144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131044404123120 is a wasteful number, since it uses less digits than its factorization.
131044404123120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68056831 (or 68056825 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
Adding to 131044404123120 its reverse (21321404440131), we get a palindrome (152365808563251).
The spelling of 131044404123120 in words is "one hundred thirty-one trillion, forty-four billion, four hundred four million, one hundred twenty-three thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.030 sec. • engine limits •