Search a number
-
+
13125514145451 = 333619130139843
BaseRepresentation
bin1011111100000000010110…
…0110111010111010101011
31201110210020122111202022020
42333000011212322322223
53210022023110123301
643525440012155523
72523200322261531
oct277000546727253
951423218452266
1013125514145451
11420055460aa14
12157b990168ba3
13742966399b36
143353c7828151
1517b6587a3436
hexbf0059baeab

13125514145451 has 8 divisors (see below), whose sum is σ = 17501206221120. Its totient is φ = 8750082416712.

The previous prime is 13125514145437. The next prime is 13125514145459. The reversal of 13125514145451 is 15454141552131.

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

It is not a de Polignac number, because 13125514145451 - 231 = 13123366661803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13125514145459) 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, 64969065 + ... + 65170778.

It is an arithmetic number, because the mean of its divisors is an integer number (2187650777640).

Almost surely, 213125514145451 is an apocalyptic number.

13125514145451 is a deficient number, since it is larger than the sum of its proper divisors (4375692075669).

13125514145451 is a wasteful number, since it uses less digits than its factorization.

13125514145451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130173465.

The product of its digits is 240000, while the sum is 42.

Adding to 13125514145451 its reverse (15454141552131), we get a palindrome (28579655697582).

The spelling of 13125514145451 in words is "thirteen trillion, one hundred twenty-five billion, five hundred fourteen million, one hundred forty-five thousand, four hundred fifty-one".

Divisors: 1 3 33619 100857 130139843 390419529 4375171381817 13125514145451