Search a number
-
+
13154545131 = 371351199413
BaseRepresentation
bin11000100000001001…
…00110110111101011
31020221202121010112020
430100010212313223
5203420030421011
610013151315523
7643660534350
oct142004466753
936852533466
1013154545131
115640441502
12267151bba3
131318402620
148cb0b8627
1551eccd006
hex310126deb

13154545131 has 32 divisors (see below), whose sum is σ = 21593456640. Its totient is φ = 6936568704.

The previous prime is 13154545127. The next prime is 13154545163.

It is a happy number.

13154545131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13154545131 - 22 = 13154545127 is a prime.

It is a super-2 number, since 2×131545451312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13154545092 and 13154545101.

It is not an unprimeable number, because it can be changed into a prime (13154545171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1392781 + ... + 1402193.

It is an arithmetic number, because the mean of its divisors is an integer number (674795520).

Almost surely, 213154545131 is an apocalyptic number.

13154545131 is a deficient number, since it is larger than the sum of its proper divisors (8438911509).

13154545131 is a wasteful number, since it uses less digits than its factorization.

13154545131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14555.

The product of its digits is 18000, while the sum is 33.

The spelling of 13154545131 in words is "thirteen billion, one hundred fifty-four million, five hundred forty-five thousand, one hundred thirty-one".

Divisors: 1 3 7 13 21 39 91 273 5119 9413 15357 28239 35833 65891 66547 107499 122369 197673 199641 367107 465829 856583 1397487 2569749 48185147 144555441 337296029 626406911 1011888087 1879220733 4384848377 13154545131