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124023132021 = 347218714823
BaseRepresentation
bin111001110000001011…
…0101100111101110101
3102212010101101220010010
41303200112230331311
54012444410211041
6132550410050433
711650260141165
oct1634026547565
9385111356103
10124023132021
1148663908818
1220053119a19
13b906847969
14600779c5a5
15335d299a16
hex1ce05acf75

124023132021 has 12 divisors (see below), whose sum is σ = 168957431072. Its totient is φ = 80922890328.

The previous prime is 124023132007. The next prime is 124023132043. The reversal of 124023132021 is 120231320421.

It is not a de Polignac number, because 124023132021 - 25 = 124023131989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124023132221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9350785 + ... + 9364038.

Almost surely, 2124023132021 is an apocalyptic number.

It is an amenable number.

124023132021 is a deficient number, since it is larger than the sum of its proper divisors (44934299051).

124023132021 is an equidigital number, since it uses as much as digits as its factorization.

124023132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714920 (or 18714873 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 124023132021 its reverse (120231320421), we get a palindrome (244254452442).

The spelling of 124023132021 in words is "one hundred twenty-four billion, twenty-three million, one hundred thirty-two thousand, twenty-one".

Divisors: 1 3 47 141 2209 6627 18714823 56144469 879596681 2638790043 41341044007 124023132021