Base | Representation |
---|---|
bin | 10011000001011111… |
… | …11001000111000100 |
3 | 222100202202100010210 |
4 | 21200233321013010 |
5 | 131404023231040 |
6 | 4405234115420 |
7 | 511042635432 |
oct | 114057710704 |
9 | 28322670123 |
10 | 10213102020 |
11 | 4371036790 |
12 | 1b9041bb70 |
13 | c69bb1244 |
14 | 6cc595d52 |
15 | 3eb954480 |
hex | 260bf91c4 |
10213102020 has 96 divisors (see below), whose sum is σ = 31218840576. Its totient is φ = 2474121600.
The previous prime is 10213101979. The next prime is 10213102033. The reversal of 10213102020 is 2020131201.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 10213101987 and 10213102005.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069065 + ... + 1078575.
It is an arithmetic number, because the mean of its divisors is an integer number (325196256).
Almost surely, 210213102020 is an apocalyptic number.
10213102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10213102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15609420288).
10213102020 is an abundant number, since it is smaller than the sum of its proper divisors (21005738556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10213102020 is a wasteful number, since it uses less digits than its factorization.
10213102020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11161 (or 11159 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 10213102020 its reverse (2020131201), we get a palindrome (12233233221).
The spelling of 10213102020 in words is "ten billion, two hundred thirteen million, one hundred two thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •