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2100231113 = 2819745027
BaseRepresentation
bin111110100101110…
…1111101111001001
312102100221210110112
41331023233233021
513300124343423
6544223124105
7103021445531
oct17513575711
95370853415
102100231113
119885867a2
124a7443635
1327616c106
1415cd0a4c1
15c45b0a78
hex7d2efbc9

2100231113 has 4 divisors (see below), whose sum is σ = 2100978960. Its totient is φ = 2099483268.

The previous prime is 2100231103. The next prime is 2100231149. The reversal of 2100231113 is 3111320012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2100231113 - 220 = 2099182537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100231103) 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, 369695 + ... + 375332.

It is an arithmetic number, because the mean of its divisors is an integer number (525244740).

Almost surely, 22100231113 is an apocalyptic number.

It is an amenable number.

2100231113 is a deficient number, since it is larger than the sum of its proper divisors (747847).

2100231113 is an equidigital number, since it uses as much as digits as its factorization.

2100231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747846.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2100231113 is about 45828.2785297462. The cubic root of 2100231113 is about 1280.6261408027.

Adding to 2100231113 its reverse (3111320012), we get a palindrome (5211551125).

The spelling of 2100231113 in words is "two billion, one hundred million, two hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 2819 745027 2100231113