Base | Representation |
---|---|
bin | 10010110100100111… |
… | …000100111111100100 |
3 | 1221011110200222201212 |
4 | 102310213010333210 |
5 | 312342230342012 |
6 | 13141230410552 |
7 | 1313552161112 |
oct | 226447047744 |
9 | 57143628655 |
10 | 20210012132 |
11 | 8631030272 |
12 | 3b00360a58 |
13 | 1ba105917b |
14 | d9a152ab2 |
15 | 7d4401b22 |
hex | 4b49c4fe4 |
20210012132 has 12 divisors (see below), whose sum is σ = 35764909740. Its totient is φ = 9991466496.
The previous prime is 20210012129. The next prime is 20210012143. The reversal of 20210012132 is 23121001202.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 9257133796 + 10952878336 = 96214^2 + 104656^2 .
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, 28384493 + ... + 28385204.
It is an arithmetic number, because the mean of its divisors is an integer number (2980409145).
Almost surely, 220210012132 is an apocalyptic number.
It is an amenable number.
20210012132 is a deficient number, since it is larger than the sum of its proper divisors (15554897608).
20210012132 is a wasteful number, since it uses less digits than its factorization.
20210012132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56769790 (or 56769788 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 20210012132 its reverse (23121001202), we get a palindrome (43331013334).
The spelling of 20210012132 in words is "twenty billion, two hundred ten million, twelve thousand, one hundred thirty-two".
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