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100212213103 = 971033115599
BaseRepresentation
bin101110101010100011…
…1010000010101101111
3100120122221221212220021
41131111013100111233
53120213311304403
6114011543303011
710145231520412
oct1352507202557
9316587855807
10100212213103
11395551aaa32
1217508a4aa67
1395b0781a22
144bc9301b79
152917ba78bd
hex17551d056f

100212213103 has 4 divisors (see below), whose sum is σ = 101245328800. Its totient is φ = 99179097408.

The previous prime is 100212213077. The next prime is 100212213113. The reversal of 100212213103 is 301312212001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301312212001 = 547155074431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100212213103 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 (100212213113) 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, 516557703 + ... + 516557896.

It is an arithmetic number, because the mean of its divisors is an integer number (25311332200).

Almost surely, 2100212213103 is an apocalyptic number.

100212213103 is a deficient number, since it is larger than the sum of its proper divisors (1033115697).

100212213103 is an equidigital number, since it uses as much as digits as its factorization.

100212213103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033115696.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100212213103 its reverse (301312212001), we get a palindrome (401524425104).

The spelling of 100212213103 in words is "one hundred billion, two hundred twelve million, two hundred thirteen thousand, one hundred three".

Divisors: 1 97 1033115599 100212213103