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112431222140 = 2257179176917
BaseRepresentation
bin110100010110101101…
…1000100110101111100
3101202012112011212011112
41220231123010311330
53320224343102030
6123352235141152
711060102422436
oct1505533046574
9352175155145
10112431222140
1143755548306
1219958ba47b8
13a7aa0c7ba3
14562804d656
152dd0789a95
hex1a2d6c4d7c

112431222140 has 24 divisors (see below), whose sum is σ = 239431000032. Its totient is φ = 44339072960.

The previous prime is 112431222139. The next prime is 112431222143. The reversal of 112431222140 is 41222134211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112431222143) 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, 39587039 + ... + 39589878.

It is an arithmetic number, because the mean of its divisors is an integer number (9976291668).

Almost surely, 2112431222140 is an apocalyptic number.

112431222140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112431222140 is an abundant number, since it is smaller than the sum of its proper divisors (126999777892).

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

112431222140 is a wasteful number, since it uses less digits than its factorization.

112431222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79176997 (or 79176995 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 112431222140 its reverse (41222134211), we get a palindrome (153653356351).

The spelling of 112431222140 in words is "one hundred twelve billion, four hundred thirty-one million, two hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 79176917 158353834 316707668 395884585 791769170 1583538340 5621561107 11243122214 22486244428 28107805535 56215611070 112431222140