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124321111003420 = 22516363337987787
BaseRepresentation
bin11100010001000111000011…
…101010001101000100011100
3121022011222111222110212001021
4130101013003222031010130
5112243334113404102140
61120224155134053524
735120622011531602
oct3421070352150434
9538158458425037
10124321111003420
1136681318131441
1211b3a32064a2a4
13544a579962ab6
14229b26119b872
15e58d26346b4a
hex7111c3a8d11c

124321111003420 has 24 divisors (see below), whose sum is σ = 261075935466864. Its totient is φ = 49728139190016.

The previous prime is 124321111003301. The next prime is 124321111003429. The reversal of 124321111003420 is 24300111123421.

It is a super-2 number, since 2×1243211110034202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124321111003429) 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, 15721234 + ... + 22266553.

It is an arithmetic number, because the mean of its divisors is an integer number (10878163977786).

Almost surely, 2124321111003420 is an apocalyptic number.

124321111003420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124321111003420 is an abundant number, since it is smaller than the sum of its proper divisors (136754824463444).

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

124321111003420 is a wasteful number, since it uses less digits than its factorization.

124321111003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38151429 (or 38151427 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 124321111003420 its reverse (24300111123421), we get a palindrome (148621222126841).

The spelling of 124321111003420 in words is "one hundred twenty-four trillion, three hundred twenty-one billion, one hundred eleven million, three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 163633 327266 654532 818165 1636330 3272660 37987787 75975574 151951148 189938935 379877870 759755740 6216055550171 12432111100342 24864222200684 31080277750855 62160555501710 124321111003420