Search a number
-
+
5122157013 = 33631300649
BaseRepresentation
bin1001100010100110…
…11110100111010101
3111012222020112111000
410301103132213111
540442233011023
62204133333513
7240634421241
oct46123364725
914188215430
105122157013
112199362416
12bab497299
1363825c54c
143683bd421
151eea36243
hex1314de9d5

5122157013 has 16 divisors (see below), whose sum is σ = 7600432000. Its totient is φ = 3409348320.

The previous prime is 5122157003. The next prime is 5122157021. The reversal of 5122157013 is 3107512215.

It is not a de Polignac number, because 5122157013 - 25 = 5122156981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122157003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133288 + ... + 167361.

It is an arithmetic number, because the mean of its divisors is an integer number (475027000).

Almost surely, 25122157013 is an apocalyptic number.

It is an amenable number.

5122157013 is a deficient number, since it is larger than the sum of its proper divisors (2478274987).

5122157013 is a wasteful number, since it uses less digits than its factorization.

5122157013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301289 (or 301283 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 5122157013 is about 71569.2462793901. The cubic root of 5122157013 is about 1723.7897567748.

Adding to 5122157013 its reverse (3107512215), we get a palindrome (8229669228).

The spelling of 5122157013 in words is "five billion, one hundred twenty-two million, one hundred fifty-seven thousand, thirteen".

Divisors: 1 3 9 27 631 1893 5679 17037 300649 901947 2705841 8117523 189709519 569128557 1707385671 5122157013