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10100000210 = 251010000021
BaseRepresentation
bin10010110100000000…
…11100010111010010
3222001212221011121212
421122000130113102
5131141100001320
64350114020122
7505200404516
oct113200342722
928055834555
1010100000210
114313206713
121b5a577642
13c4c6310b1
146bb554146
153e1a629c5
hex25a01c5d2

10100000210 has 8 divisors (see below), whose sum is σ = 18180000396. Its totient is φ = 4040000080.

The previous prime is 10100000159. The next prime is 10100000219. The reversal of 10100000210 is 1200000101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9734387569 + 365612641 = 98663^2 + 19121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 10100000194 and 10100000203.

It is not an unprimeable number, because it can be changed into a prime (10100000219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505000001 + ... + 505000020.

Almost surely, 210100000210 is an apocalyptic number.

10100000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10100000210 is a deficient number, since it is larger than the sum of its proper divisors (8080000186).

10100000210 is a wasteful number, since it uses less digits than its factorization.

10100000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010000028.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 10100000210 its reverse (1200000101), we get a palindrome (11300000311).

The spelling of 10100000210 in words is "ten billion, one hundred million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 1010000021 2020000042 5050000105 10100000210