Search a number
-
+
123424424531 = 295380302163
BaseRepresentation
bin111001011110010101…
…0110100001001010011
3102210120122211101211122
41302330222310021103
54010233123041111
6132411141432455
711626400204252
oct1627452641123
9383518741748
10123424424531
1148386962a41
121bb0670b72b
13b83c7b2485
145d8c070799
153325934cdb
hex1cbcab4253

123424424531 has 8 divisors (see below), whose sum is σ = 130089505680. Its totient is φ = 116919947872.

The previous prime is 123424424413. The next prime is 123424424537. The reversal of 123424424531 is 135424424321.

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 123424424531 - 214 = 123424408147 is a prime.

It is a super-2 number, since 2×1234244245312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123424424491 and 123424424500.

It is not an unprimeable number, because it can be changed into a prime (123424424537) 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 7 ways as a sum of consecutive naturals, for example, 40149545 + ... + 40152618.

It is an arithmetic number, because the mean of its divisors is an integer number (16261188210).

Almost surely, 2123424424531 is an apocalyptic number.

123424424531 is a deficient number, since it is larger than the sum of its proper divisors (6665081149).

123424424531 is an equidigital number, since it uses as much as digits as its factorization.

123424424531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80302245.

The product of its digits is 92160, while the sum is 35.

Adding to 123424424531 its reverse (135424424321), we get a palindrome (258848848852).

The spelling of 123424424531 in words is "one hundred twenty-three billion, four hundred twenty-four million, four hundred twenty-four thousand, five hundred thirty-one".

Divisors: 1 29 53 1537 80302163 2328762727 4256014639 123424424531