Search a number
-
+
13431355071 = 319051235007
BaseRepresentation
bin11001000001001001…
…00011011010111111
31021200001110112101020
430200210203122333
5210001411330241
610100440315223
7653561430411
oct144044433277
937601415336
1013431355071
115772716952
12272a172b13
131360870ca4
14915b729b1
1553925ab66
hex3209236bf

13431355071 has 8 divisors (see below), whose sum is σ = 17909489664. Its totient is φ = 8953728600.

The previous prime is 13431354997. The next prime is 13431355109. The reversal of 13431355071 is 17055313431.

13431355071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13431355071 - 219 = 13430830783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431355871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60351 + ... + 174656.

It is an arithmetic number, because the mean of its divisors is an integer number (2238686208).

Almost surely, 213431355071 is an apocalyptic number.

13431355071 is a deficient number, since it is larger than the sum of its proper divisors (4478134593).

13431355071 is a wasteful number, since it uses less digits than its factorization.

13431355071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254061.

The product of its (nonzero) digits is 18900, while the sum is 33.

The spelling of 13431355071 in words is "thirteen billion, four hundred thirty-one million, three hundred fifty-five thousand, seventy-one".

Divisors: 1 3 19051 57153 235007 705021 4477118357 13431355071