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124144333420 = 2256207216671
BaseRepresentation
bin111001110011110010…
…1000011001001101100
3102212102211110120011211
41303213211003021230
54013221422132140
6133010415524204
711653261265062
oct1634745031154
9385384416154
10124144333420
1148716270168
1220087829664
13b9259a2673
14601990c032
153368c3b2ea
hex1ce794326c

124144333420 has 12 divisors (see below), whose sum is σ = 260703100224. Its totient is φ = 49657733360.

The previous prime is 124144333373. The next prime is 124144333421. The reversal of 124144333420 is 24333441421.

It is a super-2 number, since 2×1241443334202 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124144333421) 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, 3103608316 + ... + 3103608355.

It is an arithmetic number, because the mean of its divisors is an integer number (21725258352).

Almost surely, 2124144333420 is an apocalyptic number.

124144333420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124144333420 is an abundant number, since it is smaller than the sum of its proper divisors (136558766804).

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

124144333420 is a wasteful number, since it uses less digits than its factorization.

124144333420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207216680 (or 6207216678 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 124144333420 its reverse (24333441421), we get a palindrome (148477774841).

The spelling of 124144333420 in words is "one hundred twenty-four billion, one hundred forty-four million, three hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 6207216671 12414433342 24828866684 31036083355 62072166710 124144333420