Base | Representation |
---|---|
bin | 100100011010101011… |
… | …000110100000000100 |
3 | 10201221002201012000210 |
4 | 210122223012200010 |
5 | 1120040131241400 |
6 | 25544024035420 |
7 | 2552663214240 |
oct | 443253064004 |
9 | 121832635023 |
10 | 39102212100 |
11 | 156461a7776 |
12 | 76b3302b70 |
13 | 38c2081a13 |
14 | 1c6d269420 |
15 | 103cc95950 |
hex | 91aac6804 |
39102212100 has 72 divisors (see below), whose sum is σ = 129297988288. Its totient is φ = 8937648000.
The previous prime is 39102212099. The next prime is 39102212113. The reversal of 39102212100 is 121220193.
It is a super-2 number, since 2×391022121002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9307951 + ... + 9312150.
Almost surely, 239102212100 is an apocalyptic number.
39102212100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
39102212100 is an abundant number, since it is smaller than the sum of its proper divisors (90195776188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39102212100 is a wasteful number, since it uses less digits than its factorization.
39102212100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18620125 (or 18620118 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 39102212100 its reverse (121220193), we get a palindrome (39223432293).
The spelling of 39102212100 in words is "thirty-nine billion, one hundred two million, two hundred twelve thousand, one hundred".
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