Search a number
-
+
13130024231 = 269405112049
BaseRepresentation
bin11000011101001110…
…00100010100100111
31020220001110100011202
430032213010110213
5203342241233411
610010513553115
7643242236012
oct141647042447
936801410152
1013130024231
1156286135a5
12266527579b
1313132c850c
148c7b34379
1551ca8783b
hex30e9c4527

13130024231 has 8 divisors (see below), whose sum is σ = 13183182000. Its totient is φ = 13076899200.

The previous prime is 13130024209. The next prime is 13130024267. The reversal of 13130024231 is 13242003131.

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

It is a cyclic number.

It is not a de Polignac number, because 13130024231 - 226 = 13062915367 is a prime.

It is a super-2 number, since 2×131300242312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130024291) 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, 1083695 + ... + 1095743.

It is an arithmetic number, because the mean of its divisors is an integer number (1647897750).

Almost surely, 213130024231 is an apocalyptic number.

13130024231 is a deficient number, since it is larger than the sum of its proper divisors (53157769).

13130024231 is a wasteful number, since it uses less digits than its factorization.

13130024231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16369.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13130024231 its reverse (13242003131), we get a palindrome (26372027362).

The spelling of 13130024231 in words is "thirteen billion, one hundred thirty million, twenty-four thousand, two hundred thirty-one".

Divisors: 1 269 4051 12049 1089719 3241181 48810499 13130024231