Base | Representation |
---|---|
bin | 111101000111000001… |
… | …1100010101100100101 |
3 | 110112201210202012000202 |
4 | 1322032003202230211 |
5 | 4122230432441401 |
6 | 140142015520245 |
7 | 12324026151002 |
oct | 1721603425445 |
9 | 415653665022 |
10 | 131232312101 |
11 | 50723245490 |
12 | 21525529085 |
13 | c4b52a04a7 |
14 | 64cd00a8a9 |
15 | 363113306b |
hex | 1e8e0e2b25 |
131232312101 has 8 divisors (see below), whose sum is σ = 143167324608. Its totient is φ = 119298100000.
The previous prime is 131232312061. The next prime is 131232312109. The reversal of 131232312101 is 101213232131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131232312101 - 214 = 131232295717 is a prime.
It is a super-4 number, since 4×1312323121014 (a number of 46 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131232312109) 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, 172976 + ... + 540726.
It is an arithmetic number, because the mean of its divisors is an integer number (17895915576).
Almost surely, 2131232312101 is an apocalyptic number.
131232312101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
131232312101 is a deficient number, since it is larger than the sum of its proper divisors (11935012507).
131232312101 is a wasteful number, since it uses less digits than its factorization.
131232312101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400203.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 131232312101 its reverse (101213232131), we get a palindrome (232445544232).
The spelling of 131232312101 in words is "one hundred thirty-one billion, two hundred thirty-two million, three hundred twelve thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •