Base | Representation |
---|---|
bin | 101111000101000110… |
… | …1101110100001000101 |
3 | 100122222001022201202010 |
4 | 1132022031232201011 |
5 | 3124024343231041 |
6 | 114240210204433 |
7 | 10206300121245 |
oct | 1361215564105 |
9 | 318861281663 |
10 | 101103102021 |
11 | 39972079a69 |
12 | 17717283719 |
13 | 96c320832c |
14 | 4c71769b25 |
15 | 296aed4a16 |
hex | 178a36e845 |
101103102021 has 32 divisors (see below), whose sum is σ = 136977730560. Its totient is φ = 66325158144.
The previous prime is 101103102013. The next prime is 101103102091. The reversal of 101103102021 is 120201301101.
It is not a de Polignac number, because 101103102021 - 23 = 101103102013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 101103101988 and 101103102006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101103102091) 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, 58677666 + ... + 58679388.
It is an arithmetic number, because the mean of its divisors is an integer number (4280554080).
Almost surely, 2101103102021 is an apocalyptic number.
It is an amenable number.
101103102021 is a deficient number, since it is larger than the sum of its proper divisors (35874628539).
101103102021 is a wasteful number, since it uses less digits than its factorization.
101103102021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2985.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 101103102021 its reverse (120201301101), we get a palindrome (221304403122).
The spelling of 101103102021 in words is "one hundred one billion, one hundred three million, one hundred two thousand, twenty-one".
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