Base | Representation |
---|---|
bin | 101111000101111100… |
… | …0001010000101110111 |
3 | 100200000222211012122020 |
4 | 1132023320022011313 |
5 | 3124104014032411 |
6 | 114243044204223 |
7 | 10210056223050 |
oct | 1361370120567 |
9 | 320028735566 |
10 | 101131002231 |
11 | 399868a5896 |
12 | 17724699673 |
13 | 96c8c2662c |
14 | 4c7534d727 |
15 | 296d696606 |
hex | 178be0a177 |
101131002231 has 32 divisors (see below), whose sum is σ = 166349583360. Its totient is φ = 53370476544.
The previous prime is 101131002179. The next prime is 101131002233. The reversal of 101131002231 is 132200131101.
It is a happy number.
It is not a de Polignac number, because 101131002231 - 226 = 101063893367 is a prime.
It is a super-2 number, since 2×1011310022312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 101131002231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101131002233) 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, 3596010 + ... + 3624023.
It is an arithmetic number, because the mean of its divisors is an integer number (5198424480).
Almost surely, 2101131002231 is an apocalyptic number.
101131002231 is a deficient number, since it is larger than the sum of its proper divisors (65218581129).
101131002231 is a wasteful number, since it uses less digits than its factorization.
101131002231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7220095.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 101131002231 its reverse (132200131101), we get a palindrome (233331133332).
The spelling of 101131002231 in words is "one hundred one billion, one hundred thirty-one million, two thousand, two hundred thirty-one".
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