Base | Representation |
---|---|
bin | 101111000101000011… |
… | …0011110011010000111 |
3 | 100122221220202011002002 |
4 | 1132022012132122013 |
5 | 3124023401413111 |
6 | 114240101335515 |
7 | 10206245013065 |
oct | 1361206363207 |
9 | 318856664062 |
10 | 101101201031 |
11 | 39970aa07a6 |
12 | 1771670759b |
13 | 96c29c0c9c |
14 | 4c713d3035 |
15 | 296ac5b63b |
hex | 178a19e687 |
101101201031 has 12 divisors (see below), whose sum is σ = 102520445760. Its totient is φ = 99700231680.
The previous prime is 101101201013. The next prime is 101101201049. The reversal of 101101201031 is 130102101101.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (101101201013) and next prime (101101201049).
It is not a de Polignac number, because 101101201031 - 222 = 101097006727 is a prime.
It is a super-2 number, since 2×1011012010312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101101201631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2624810 + ... + 2663048.
It is an arithmetic number, because the mean of its divisors is an integer number (8543370480).
Almost surely, 2101101201031 is an apocalyptic number.
101101201031 is a deficient number, since it is larger than the sum of its proper divisors (1419244729).
101101201031 is an frugal number, since it uses more digits than its factorization.
101101201031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38714 (or 38617 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 11.
Adding to 101101201031 its reverse (130102101101), we get a palindrome (231203302132).
The spelling of 101101201031 in words is "one hundred one billion, one hundred one million, two hundred one thousand, thirty-one".
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