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100210012121210 = 2510021001212121
BaseRepresentation
bin10110110010001111110110…
…001011001110100001111010
3111010210222120001011200002012
4112302033312023032201322
5101113320101100334320
6553043502151205522
730051635342544065
oct2662176613164172
9433728501150065
10100210012121210
1129a25911411212
12b2a54563768a2
1343bb9c08077a4
141aa62948cd8dc
15b8ba5bbe84c5
hex5b23f62ce87a

100210012121210 has 8 divisors (see below), whose sum is σ = 180378021818196. Its totient is φ = 40084004848480.

The previous prime is 100210012121209. The next prime is 100210012121213. The reversal of 100210012121210 is 12121210012001.

It can be written as a sum of positive squares in 2 ways, for example, as 94657546682521 + 5552465438689 = 9729211^2 + 2356367^2 .

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

It is not an unprimeable number, because it can be changed into a prime (100210012121213) 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, 5010500606051 + ... + 5010500606070.

Almost surely, 2100210012121210 is an apocalyptic number.

100210012121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100210012121210 is a deficient number, since it is larger than the sum of its proper divisors (80168009696986).

100210012121210 is a wasteful number, since it uses less digits than its factorization.

100210012121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021001212128.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100210012121210 its reverse (12121210012001), we get a palindrome (112331222133211).

The spelling of 100210012121210 in words is "one hundred trillion, two hundred ten billion, twelve million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 10021001212121 20042002424242 50105006060605 100210012121210