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124344020332421 = 1929442151044951
BaseRepresentation
bin11100010001011100011001…
…001010010110111110000101
3121022021011122120102100101222
4130101130121022112332011
5112244223023201114141
61120242504312330125
735122362511602341
oct3421343112267605
9538234576370358
10124344020332421
113669000392139a
1211b428549a3945
13544c78acc6786
14229c3d5a06621
15e597176e614b
hex711719296f85

124344020332421 has 16 divisors (see below), whose sum is σ = 135432466646400. Its totient is φ = 113711814216000.

The previous prime is 124344020332403. The next prime is 124344020332577. The reversal of 124344020332421 is 124233020443421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 124344020332421 - 246 = 53975276154757 is a prime.

It is a super-2 number, since 2×1243440203324212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124344020334421) 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 15 ways as a sum of consecutive naturals, for example, 23086505 + ... + 27958446.

It is an arithmetic number, because the mean of its divisors is an integer number (8464529165400).

Almost surely, 2124344020332421 is an apocalyptic number.

It is an amenable number.

124344020332421 is a deficient number, since it is larger than the sum of its proper divisors (11088446313979).

124344020332421 is a wasteful number, since it uses less digits than its factorization.

124344020332421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51049420.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 124344020332421 its reverse (124233020443421), we get a palindrome (248577040775842).

The spelling of 124344020332421 in words is "one hundred twenty-four trillion, three hundred forty-four billion, twenty million, three hundred thirty-two thousand, four hundred twenty-one".

Divisors: 1 19 29 551 4421 83999 128209 2435971 51044951 969854069 1480303579 28125768001 225669728371 4287724839049 6544422122759 124344020332421