Search a number
-
+
124430205540405 = 3513163323259817
BaseRepresentation
bin11100010010101100101010…
…001100110101100000110101
3121022120102002222002112200010
4130102230222030311200311
5112302131030104243110
61120350240340410433
735131533330021312
oct3422545214654065
9538512088075603
10124430205540405
1136713610158806
1211b574a80a6a19
1354579446a286b
1422a2650001d09
15e5baadbd4020
hex712b2a335835

124430205540405 has 16 divisors (see below), whose sum is σ = 200608087103424. Its totient is φ = 65856190208640.

The previous prime is 124430205540341. The next prime is 124430205540427. The reversal of 124430205540405 is 504045502034421.

It is not a de Polignac number, because 124430205540405 - 26 = 124430205540341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31661627944 + ... + 31661631873.

It is an arithmetic number, because the mean of its divisors is an integer number (12538005443964).

Almost surely, 2124430205540405 is an apocalyptic number.

124430205540405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124430205540405 is a deficient number, since it is larger than the sum of its proper divisors (76177881563019).

124430205540405 is a wasteful number, since it uses less digits than its factorization.

124430205540405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63323259956.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 124430205540405 its reverse (504045502034421), we get a palindrome (628475707574826).

The spelling of 124430205540405 in words is "one hundred twenty-four trillion, four hundred thirty billion, two hundred five million, five hundred forty thousand, four hundred five".

Divisors: 1 3 5 15 131 393 655 1965 63323259817 189969779451 316616299085 949848897255 8295347036027 24886041108081 41476735180135 124430205540405