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10200000100 = 22521011009901
BaseRepresentation
bin10010111111111011…
…11010011001100100
3222022212002200200111
421133331322121210
5131342200000400
64404045222404
7510523366423
oct113775723144
928285080614
1010200000100
1143646a8054
121b87b61a04
13c67274824
146ca9452ba
153ea7173ba
hex25ff7a664

10200000100 has 36 divisors (see below), whose sum is σ = 22353170868. Its totient is φ = 4039600000.

The previous prime is 10200000077. The next prime is 10200000143. The reversal of 10200000100 is 100000201.

It can be written as a sum of positive squares in 6 ways, for example, as 348643584 + 9851356516 = 18672^2 + 99254^2 .

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a self number, because there is not a number n which added to its sum of digits gives 10200000100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494851 + ... + 515050.

It is an arithmetic number, because the mean of its divisors is an integer number (620921413).

Almost surely, 210200000100 is an apocalyptic number.

10200000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200000100 is an abundant number, since it is smaller than the sum of its proper divisors (12153170768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10200000100 is a wasteful number, since it uses less digits than its factorization.

10200000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010016 (or 1010009 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 10200000100 its reverse (100000201), we get a palindrome (10300000301).

The spelling of 10200000100 in words is "ten billion, two hundred million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 1010 2020 2525 5050 10100 1009901 2019802 4039604 5049505 10099010 20198020 25247525 50495050 100990100 102000001 204000002 408000004 510000005 1020000010 2040000020 2550000025 5100000050 10200000100