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210100202001010 = 2521010020200101
BaseRepresentation
bin101111110001010111000011…
…111010000101001001110010
31000112220101100022121100221101
4233301113003322011021302
5210014240203203013020
62022502411135115014
762153144602640626
oct5761270372051162
91015811308540841
10210100202001010
1160a42aa4801852
121b6929b0672a6a
139030496a31b59
1439c4c92957186
1519452c5d1e00a
hexbf15c3e85272

210100202001010 has 8 divisors (see below), whose sum is σ = 378180363601836. Its totient is φ = 84040080800400.

The previous prime is 210100202001007. The next prime is 210100202001013. The reversal of 210100202001010 is 10100202001012.

It is an interprime number because it is at equal distance from previous prime (210100202001007) and next prime (210100202001013).

It can be written as a sum of positive squares in 2 ways, for example, as 209943378872929 + 156823128081 = 14489423^2 + 396009^2 .

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 (10), and also a Moran number because the ratio is a prime number: 21010020200101 = 210100202001010 / (2 + 1 + 0 + 1 + 0 + 0 + 2 + 0 + 2 + 0 + 0 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (210100202001013) 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, 10505010100041 + ... + 10505010100060.

Almost surely, 2210100202001010 is an apocalyptic number.

210100202001010 is a deficient number, since it is larger than the sum of its proper divisors (168080161600826).

210100202001010 is a wasteful number, since it uses less digits than its factorization.

210100202001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21010020200108.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210100202001010 its reverse (10100202001012), we get a palindrome (220200404002022).

The spelling of 210100202001010 in words is "two hundred ten trillion, one hundred billion, two hundred two million, one thousand, ten".

Divisors: 1 2 5 10 21010020200101 42020040400202 105050101000505 210100202001010