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111232230412420 = 22513232908943909
BaseRepresentation
bin11001010010101001000101…
…100101001101000010000100
3112120211200211101110111010001
4121102221011211031002010
5104034412101441144140
61032323214202011044
732300156235304555
oct3122510545150204
9476750741414101
10111232230412420
1132495362282167
1210585674aa6a84
134a0b201070500
141d67950bca32c
15ccd613c4ee9a
hex652a4594d084

111232230412420 has 36 divisors (see below), whose sum is σ = 252938142892260. Its totient is φ = 41070361997184.

The previous prime is 111232230412397. The next prime is 111232230412481. The reversal of 111232230412420 is 24214032232111.

It can be written as a sum of positive squares in 6 ways, for example, as 23392448057476 + 87839782354944 = 4836574^2 + 9372288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16454468575 + ... + 16454475334.

It is an arithmetic number, because the mean of its divisors is an integer number (7026059524785).

Almost surely, 2111232230412420 is an apocalyptic number.

111232230412420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111232230412420 is an abundant number, since it is smaller than the sum of its proper divisors (141705912479840).

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

111232230412420 is a wasteful number, since it uses less digits than its factorization.

111232230412420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32908943944 (or 32908943929 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 111232230412420 its reverse (24214032232111), we get a palindrome (135446262644531).

The spelling of 111232230412420 in words is "one hundred eleven trillion, two hundred thirty-two billion, two hundred thirty million, four hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 3380 32908943909 65817887818 131635775636 164544719545 329089439090 427816270817 658178878180 855632541634 1711265083268 2139081354085 4278162708170 5561611520621 8556325416340 11123223041242 22246446082484 27808057603105 55616115206210 111232230412420