Base | Representation |
---|---|
bin | 10110100010101011… |
… | …11000111100011010 |
3 | 1011020102020221022102 |
4 | 23101111320330122 |
5 | 144241120023002 |
6 | 5320514123402 |
7 | 605621150312 |
oct | 132125707432 |
9 | 34212227272 |
10 | 12102111002 |
11 | 5150365133 |
12 | 2418b80562 |
13 | 11ab367137 |
14 | 82b3dc442 |
15 | 4ac6e0a02 |
hex | 2d1578f1a |
12102111002 has 8 divisors (see below), whose sum is σ = 18153878976. Its totient is φ = 6050818012.
The previous prime is 12102110927. The next prime is 12102111013. The reversal of 12102111002 is 20011120121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×121021110022 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46178 + ... + 162285.
It is an arithmetic number, because the mean of its divisors is an integer number (2269234872).
Almost surely, 212102111002 is an apocalyptic number.
12102111002 is a deficient number, since it is larger than the sum of its proper divisors (6051767974).
12102111002 is a wasteful number, since it uses less digits than its factorization.
12102111002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237492.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 12102111002 its reverse (20011120121), we get a palindrome (32113231123).
The spelling of 12102111002 in words is "twelve billion, one hundred two million, one hundred eleven thousand, two".
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