Base | Representation |
---|---|
bin | 101111000101100111… |
… | …0010011100100101101 |
3 | 100200000020011210222010 |
4 | 1132023032103210231 |
5 | 3124043211443041 |
6 | 114242013111433 |
7 | 10206564040032 |
oct | 1361316234455 |
9 | 320006153863 |
10 | 101120031021 |
11 | 39980691a79 |
12 | 17720a88579 |
13 | 96c68849a9 |
14 | 4c73ad5389 |
15 | 296c72aa16 |
hex | 178b39392d |
101120031021 has 8 divisors (see below), whose sum is σ = 134834795424. Its totient is φ = 67409310320.
The previous prime is 101120031017. The next prime is 101120031037. The reversal of 101120031021 is 120130021101.
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 101120031021 - 22 = 101120031017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 101120030988 and 101120031006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101120031011) 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, 952086 + ... + 1052951.
It is an arithmetic number, because the mean of its divisors is an integer number (16854349428).
Almost surely, 2101120031021 is an apocalyptic number.
It is an amenable number.
101120031021 is a deficient number, since it is larger than the sum of its proper divisors (33714764403).
101120031021 is a wasteful number, since it uses less digits than its factorization.
101120031021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2021851.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 101120031021 its reverse (120130021101), we get a palindrome (221250052122).
The spelling of 101120031021 in words is "one hundred one billion, one hundred twenty million, thirty-one thousand, twenty-one".
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