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124323042131405 = 5131912662186637
BaseRepresentation
bin11100010001001000110110…
…110000110111110111001101
3121022012011111120020022121222
4130101020312300313313031
5112243402042241201110
61120225114520533125
735121020611045415
oct3421106660676715
9538164446208558
10124323042131405
1136682119208487
1211b3a77b3211a5
13544a7c6a74b90
14229b3a5849645
15e58ddab52c55
hex711236c37dcd

124323042131405 has 8 divisors (see below), whose sum is σ = 160663623677592. Its totient is φ = 91807784958528.

The previous prime is 124323042131363. The next prime is 124323042131437. The reversal of 124323042131405 is 504131240323421.

It can be written as a sum of positive squares in 4 ways, for example, as 1322654104489 + 123000388026916 = 1150067^2 + 11090554^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124323042131405 - 226 = 124322975022541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956331093254 + ... + 956331093383.

It is an arithmetic number, because the mean of its divisors is an integer number (20082952959699).

Almost surely, 2124323042131405 is an apocalyptic number.

It is an amenable number.

124323042131405 is a deficient number, since it is larger than the sum of its proper divisors (36340581546187).

124323042131405 is a wasteful number, since it uses less digits than its factorization.

124323042131405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912662186655.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 124323042131405 its reverse (504131240323421), we get a palindrome (628454282454826).

The spelling of 124323042131405 in words is "one hundred twenty-four trillion, three hundred twenty-three billion, forty-two million, one hundred thirty-one thousand, four hundred five".

Divisors: 1 5 13 65 1912662186637 9563310933185 24864608426281 124323042131405