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100212102103 = 208947971327
BaseRepresentation
bin101110101010100011…
…0110101001111010111
3100120122221202020122011
41131111012311033113
53120213244231403
6114011541045051
710145230545661
oct1352506651727
9316587666564
10100212102103
11395551345a3
12175089b6787
1395b0743349
144bc92b3531
152917b84a6d
hex17551b53d7

100212102103 has 4 divisors (see below), whose sum is σ = 100260075520. Its totient is φ = 100164128688.

The previous prime is 100212102101. The next prime is 100212102161. The reversal of 100212102103 is 301201212001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100212102103 - 21 = 100212102101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212102101) 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, 23983575 + ... + 23987752.

It is an arithmetic number, because the mean of its divisors is an integer number (25065018880).

Almost surely, 2100212102103 is an apocalyptic number.

100212102103 is a deficient number, since it is larger than the sum of its proper divisors (47973417).

100212102103 is an equidigital number, since it uses as much as digits as its factorization.

100212102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47973416.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100212102103 its reverse (301201212001), we get a palindrome (401413314104).

The spelling of 100212102103 in words is "one hundred billion, two hundred twelve million, one hundred two thousand, one hundred three".

Divisors: 1 2089 47971327 100212102103