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112302132121 = 787142696483
BaseRepresentation
bin110100010010110111…
…0101000101110011001
3101201212112021101221201
41220211232220232121
53314443321211441
6123331344234201
711053644241624
oct1504556505631
9351775241851
10112302132121
1143699698043
121992190b961
13a78943a66a
145614c48dbb
152dc428ac31
hex1a25ba8b99

112302132121 has 4 divisors (see below), whose sum is σ = 112444829392. Its totient is φ = 112159434852.

The previous prime is 112302132097. The next prime is 112302132133. The reversal of 112302132121 is 121231203211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121231203211 = 571212313841.

It is a cyclic number.

It is not a de Polignac number, because 112302132121 - 225 = 112268577689 is a prime.

It is a super-2 number, since 2×1123021321212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112302132161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71347455 + ... + 71349028.

It is an arithmetic number, because the mean of its divisors is an integer number (28111207348).

Almost surely, 2112302132121 is an apocalyptic number.

It is an amenable number.

112302132121 is a deficient number, since it is larger than the sum of its proper divisors (142697271).

112302132121 is an equidigital number, since it uses as much as digits as its factorization.

112302132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142697270.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112302132121 its reverse (121231203211), we get a palindrome (233533335332).

The spelling of 112302132121 in words is "one hundred twelve billion, three hundred two million, one hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 787 142696483 112302132121