Base | Representation |
---|---|
bin | 101111001110100101… |
… | …1010011001110000111 |
3 | 100200210012221110110010 |
4 | 1132131023103032013 |
5 | 3130202313424111 |
6 | 114331533001303 |
7 | 10220212154016 |
oct | 1363513231607 |
9 | 320705843403 |
10 | 101421233031 |
11 | 3a015707558 |
12 | 177a5923233 |
13 | 97440b3931 |
14 | 4ca1adca7d |
15 | 2988dc5aa6 |
hex | 179d2d3387 |
101421233031 has 4 divisors (see below), whose sum is σ = 135228310712. Its totient is φ = 67614155352.
The previous prime is 101421233003. The next prime is 101421233047. The reversal of 101421233031 is 130332124101.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 101421233031 - 25 = 101421232999 is a prime.
It is a super-2 number, since 2×1014212330312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 101421232989 and 101421233007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101421233531) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16903538836 + ... + 16903538841.
It is an arithmetic number, because the mean of its divisors is an integer number (33807077678).
Almost surely, 2101421233031 is an apocalyptic number.
101421233031 is a deficient number, since it is larger than the sum of its proper divisors (33807077681).
101421233031 is an equidigital number, since it uses as much as digits as its factorization.
101421233031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33807077680.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 101421233031 its reverse (130332124101), we get a palindrome (231753357132).
The spelling of 101421233031 in words is "one hundred one billion, four hundred twenty-one million, two hundred thirty-three thousand, thirty-one".
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