Base | Representation |
---|---|
bin | 101111000010101010… |
… | …1010011011001101111 |
3 | 100122202100012210002011 |
4 | 1132011111103121233 |
5 | 3123342411431111 |
6 | 114224122542051 |
7 | 10204254022621 |
oct | 1360525233157 |
9 | 318670183064 |
10 | 101021202031 |
11 | 3992a920322 |
12 | 176b3967927 |
13 | 96ac2611b9 |
14 | 4c6492ac11 |
15 | 2963c08021 |
hex | 178555366f |
101021202031 has 2 divisors, whose sum is σ = 101021202032. Its totient is φ = 101021202030.
The previous prime is 101021202013. The next prime is 101021202041. The reversal of 101021202031 is 130202120101.
Together with previous prime (101021202013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 101021202031 - 235 = 66661463663 is a prime.
It is a super-3 number, since 3×1010212020313 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (101021202041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510601015 + 50510601016.
It is an arithmetic number, because the mean of its divisors is an integer number (50510601016).
Almost surely, 2101021202031 is an apocalyptic number.
101021202031 is a deficient number, since it is larger than the sum of its proper divisors (1).
101021202031 is an equidigital number, since it uses as much as digits as its factorization.
101021202031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 101021202031 its reverse (130202120101), we get a palindrome (231223322132).
The spelling of 101021202031 in words is "one hundred one billion, twenty-one million, two hundred two thousand, thirty-one".
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