Base | Representation |
---|---|
bin | 101111001110111000… |
… | …0101001110000000101 |
3 | 100200210220100221000111 |
4 | 1132131300221300011 |
5 | 3130212320242040 |
6 | 114332522513021 |
7 | 10220361325006 |
oct | 1363560516005 |
9 | 320726327014 |
10 | 101431024645 |
11 | 3a0201950a5 |
12 | 177a9065771 |
13 | 97461316a2 |
14 | 4ca312b1ad |
15 | 2989babdea |
hex | 179dc29c05 |
101431024645 has 16 divisors (see below), whose sum is σ = 121863103488. Its totient is φ = 81047640960.
The previous prime is 101431024609. The next prime is 101431024649. The reversal of 101431024645 is 546420134101.
It is not a de Polignac number, because 101431024645 - 29 = 101431024133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101431024649) 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, 24999457 + ... + 25003513.
It is an arithmetic number, because the mean of its divisors is an integer number (7616443968).
Almost surely, 2101431024645 is an apocalyptic number.
It is an amenable number.
101431024645 is a deficient number, since it is larger than the sum of its proper divisors (20432078843).
101431024645 is a wasteful number, since it uses less digits than its factorization.
101431024645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8820.
The product of its (nonzero) digits is 11520, while the sum is 31.
Adding to 101431024645 its reverse (546420134101), we get a palindrome (647851158746).
The spelling of 101431024645 in words is "one hundred one billion, four hundred thirty-one million, twenty-four thousand, six hundred forty-five".
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