Base | Representation |
---|---|
bin | 10010111111111011… |
… | …11111010000101010 |
3 | 222022212010200222220 |
4 | 21133331333100222 |
5 | 131342201120020 |
6 | 4404045454510 |
7 | 510523511445 |
oct | 113775772052 |
9 | 28285120886 |
10 | 10200020010 |
11 | 4364711004 |
12 | 1b87b71436 |
13 | c672808cb |
14 | 6ca94c65c |
15 | 3ea71d240 |
hex | 25ff7f42a |
10200020010 has 32 divisors (see below), whose sum is σ = 24571071360. Its totient is φ = 2709891648.
The previous prime is 10200020003. The next prime is 10200020011. The reversal of 10200020010 is 1002000201.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is not an unprimeable number, because it can be changed into a prime (10200020011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623902 + ... + 640041.
It is an arithmetic number, because the mean of its divisors is an integer number (767845980).
Almost surely, 210200020010 is an apocalyptic number.
10200020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10200020010 is an abundant number, since it is smaller than the sum of its proper divisors (14371051350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10200020010 is a wasteful number, since it uses less digits than its factorization.
10200020010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1264222.
The product of its (nonzero) digits is 4, while the sum is 6.
Adding to 10200020010 its reverse (1002000201), we get a palindrome (11202020211).
The spelling of 10200020010 in words is "ten billion, two hundred million, twenty thousand, ten".
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