Search a number
-
+
13404412131 = 311406194307
BaseRepresentation
bin11000111101111011…
…10001100011100011
31021121011202200121120
430132331301203203
5204423012142011
610054035023323
7653113423515
oct143675614343
937534680546
1013404412131
115759494260
12272113ab43
1313580c9616
1491235bbb5
15536bd7a06
hex31ef718e3

13404412131 has 8 divisors (see below), whose sum is σ = 19497326784. Its totient is φ = 8123886120.

The previous prime is 13404412111. The next prime is 13404412139. The reversal of 13404412131 is 13121440431.

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

It is not a de Polignac number, because 13404412131 - 26 = 13404412067 is a prime.

It is a super-2 number, since 2×134044121312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13404412139) 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, 203097121 + ... + 203097186.

It is an arithmetic number, because the mean of its divisors is an integer number (2437165848).

Almost surely, 213404412131 is an apocalyptic number.

13404412131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13404412131 is a deficient number, since it is larger than the sum of its proper divisors (6092914653).

13404412131 is a wasteful number, since it uses less digits than its factorization.

13404412131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406194321.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13404412131 its reverse (13121440431), we get a palindrome (26525852562).

The spelling of 13404412131 in words is "thirteen billion, four hundred four million, four hundred twelve thousand, one hundred thirty-one".

Divisors: 1 3 11 33 406194307 1218582921 4468137377 13404412131