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124442503140 = 22352074041719
BaseRepresentation
bin111001111100101011…
…0011110011111100100
3102220012121112011010210
41303321112132133210
54014324240100030
6133100150415420
711663541552414
oct1637126363744
9386177464123
10124442503140
114885960451a
122014b661570
13b9726ac357
146047366644
153384ed7bb0
hex1cf959e7e4

124442503140 has 24 divisors (see below), whose sum is σ = 348439008960. Its totient is φ = 33184667488.

The previous prime is 124442503103. The next prime is 124442503147. The reversal of 124442503140 is 41305244421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 124442503098 and 124442503107.

It is not an unprimeable number, because it can be changed into a prime (124442503147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037020800 + ... + 1037020919.

It is an arithmetic number, because the mean of its divisors is an integer number (14518292040).

Almost surely, 2124442503140 is an apocalyptic number.

124442503140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124442503140 is an abundant number, since it is smaller than the sum of its proper divisors (223996505820).

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

124442503140 is a wasteful number, since it uses less digits than its factorization.

124442503140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074041731 (or 2074041729 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 124442503140 its reverse (41305244421), we get a palindrome (165747747561).

The spelling of 124442503140 in words is "one hundred twenty-four billion, four hundred forty-two million, five hundred three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2074041719 4148083438 6222125157 8296166876 10370208595 12444250314 20740417190 24888500628 31110625785 41480834380 62221251570 124442503140