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124419408872 = 23117319367903
BaseRepresentation
bin111001111011111111…
…0011000001111101000
3102220011000001211202112
41303313332120033220
54014302332040442
6133054003421452
711663141345243
oct1636776301750
9386130054675
10124419408872
1148847570450
1220143984888
13b96a9846c5
14604427425a
153382e75082
hex1cf7f983e8

124419408872 has 32 divisors (see below), whose sum is σ = 257980481280. Its totient is φ = 55779557760.

The previous prime is 124419408853. The next prime is 124419408877. The reversal of 124419408872 is 278804914421.

It is a self number, because there is not a number n which added to its sum of digits gives 124419408872.

It is not an unprimeable number, because it can be changed into a prime (124419408877) 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, 9677528 + ... + 9690375.

It is an arithmetic number, because the mean of its divisors is an integer number (8061890040).

Almost surely, 2124419408872 is an apocalyptic number.

It is an amenable number.

124419408872 is an abundant number, since it is smaller than the sum of its proper divisors (133561072408).

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

124419408872 is a wasteful number, since it uses less digits than its factorization.

124419408872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19367993 (or 19367989 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 124419408872 in words is "one hundred twenty-four billion, four hundred nineteen million, four hundred eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 73 88 146 292 584 803 1606 3212 6424 19367903 38735806 77471612 154943224 213046933 426093866 852187732 1413856919 1704375464 2827713838 5655427676 11310855352 15552426109 31104852218 62209704436 124419408872