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124431303423013 = 643193516801591
BaseRepresentation
bin11100010010101101101011…
…101000111011010000100101
3121022120111221110221202110221
4130102231223220323100211
5112302140302134014023
61120350541320044341
735131602460615246
oct3422555350732045
9538514843852427
10124431303423013
1136714023957204
1211b577539036b1
135457a8ac91842
1422a2715b4cccd
15e5bb2529c85d
hex712b6ba3b425

124431303423013 has 4 divisors (see below), whose sum is σ = 124624820225248. Its totient is φ = 124237786620780.

The previous prime is 124431303422971. The next prime is 124431303423029. The reversal of 124431303423013 is 310324303134421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124431303423013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124431303423013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124431303423043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96758400153 + ... + 96758401438.

It is an arithmetic number, because the mean of its divisors is an integer number (31156205056312).

Almost surely, 2124431303423013 is an apocalyptic number.

It is an amenable number.

124431303423013 is a deficient number, since it is larger than the sum of its proper divisors (193516802235).

124431303423013 is an equidigital number, since it uses as much as digits as its factorization.

124431303423013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193516802234.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 124431303423013 its reverse (310324303134421), we get a palindrome (434755606557434).

The spelling of 124431303423013 in words is "one hundred twenty-four trillion, four hundred thirty-one billion, three hundred three million, four hundred twenty-three thousand, thirteen".

Divisors: 1 643 193516801591 124431303423013