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112432420420 = 2255621621021
BaseRepresentation
bin110100010110101111…
…1101001011001000100
3101202012121102201220021
41220231133221121010
53320230144423140
6123352320544524
711060115543115
oct1505537513104
9352177381807
10112432420420
1143756196621
1219959482144
13a7aa427428
14562828220c
152dd0924b4a
hex1a2d7e9644

112432420420 has 12 divisors (see below), whose sum is σ = 236108082924. Its totient is φ = 44972968160.

The previous prime is 112432420417. The next prime is 112432420421. The reversal of 112432420420 is 24024234211.

It can be written as a sum of positive squares in 2 ways, for example, as 21103953984 + 91328466436 = 145272^2 + 302206^2 .

It is a super-2 number, since 2×1124324204202 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112432420421) 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, 2810810491 + ... + 2810810530.

It is an arithmetic number, because the mean of its divisors is an integer number (19675673577).

Almost surely, 2112432420420 is an apocalyptic number.

112432420420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112432420420 is an abundant number, since it is smaller than the sum of its proper divisors (123675662504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112432420420 is a wasteful number, since it uses less digits than its factorization.

112432420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621621030 (or 5621621028 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 112432420420 its reverse (24024234211), we get a palindrome (136456654631).

The spelling of 112432420420 in words is "one hundred twelve billion, four hundred thirty-two million, four hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 5621621021 11243242042 22486484084 28108105105 56216210210 112432420420