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12100313103 = 319309208889
BaseRepresentation
bin10110100010011110…
…00010000000001111
31011020021212121001120
423101033002000033
5144240140004403
65320411412023
7605566651524
oct132117020017
934207777046
1012100313103
11514a34736a
122418454013
1311aab879a8
1482b09114b
154ac487e53
hex2d13c200f

12100313103 has 8 divisors (see below), whose sum is σ = 16134663600. Its totient is φ = 8066419008.

The previous prime is 12100313089. The next prime is 12100313119. The reversal of 12100313103 is 30131300121.

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

It is not a de Polignac number, because 12100313103 - 29 = 12100312591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100313003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46518 + ... + 162371.

It is an arithmetic number, because the mean of its divisors is an integer number (2016832950).

Almost surely, 212100313103 is an apocalyptic number.

12100313103 is a deficient number, since it is larger than the sum of its proper divisors (4034350497).

12100313103 is a wasteful number, since it uses less digits than its factorization.

12100313103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228201.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12100313103 its reverse (30131300121), we get a palindrome (42231613224).

The spelling of 12100313103 in words is "twelve billion, one hundred million, three hundred thirteen thousand, one hundred three".

Divisors: 1 3 19309 57927 208889 626667 4033437701 12100313103