Search a number
-
+
12820725135359 = 127297727339071
BaseRepresentation
bin1011101010010000111011…
…0001000111011111111111
31200101122112101012210201222
42322210032301013133333
53140023321113312414
643133432042023555
72462160343400501
oct272441661073777
950348471183658
1012820725135359
1140a326a115539
1215308aaaa7bbb
1371ccb2343c5b
14324752667d71
1517376a96868e
hexba90ec477ff

12820725135359 has 8 divisors (see below), whose sum is σ = 12921757237248. Its totient is φ = 12719694307320.

The previous prime is 12820725135233. The next prime is 12820725135389. The reversal of 12820725135359 is 95353152702821.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12820725135359 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 12820725135359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12820725135389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37641794 + ... + 37980864.

It is an arithmetic number, because the mean of its divisors is an integer number (1615219654656).

Almost surely, 212820725135359 is an apocalyptic number.

12820725135359 is a deficient number, since it is larger than the sum of its proper divisors (101032101889).

12820725135359 is a wasteful number, since it uses less digits than its factorization.

12820725135359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636925.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 12820725135359 in words is "twelve trillion, eight hundred twenty billion, seven hundred twenty-five million, one hundred thirty-five thousand, three hundred fifty-nine".

Divisors: 1 127 297727 339071 37811329 43062017 100950591617 12820725135359