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13423213425 = 352237781573
BaseRepresentation
bin11001000000001010…
…11111101101110001
31021122111010220010210
430200011133231301
5204442320312200
610055550014333
7653432301006
oct144005375561
937574126123
1013423213425
115769065a16
1227274a73a9
13135bc8024b
14914a538ad
1553869d650
hex32015fb71

13423213425 has 24 divisors (see below), whose sum is σ = 23157964224. Its totient is φ = 6847783360.

The previous prime is 13423213411. The next prime is 13423213439. The reversal of 13423213425 is 52431232431.

13423213425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13423213411) and next prime (13423213439).

It is not a de Polignac number, because 13423213425 - 25 = 13423213393 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13423213392 and 13423213401.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3889062 + ... + 3892511.

It is an arithmetic number, because the mean of its divisors is an integer number (964915176).

Almost surely, 213423213425 is an apocalyptic number.

13423213425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13423213425 is a deficient number, since it is larger than the sum of its proper divisors (9734750799).

13423213425 is a wasteful number, since it uses less digits than its factorization.

13423213425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781609 (or 7781604 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 13423213425 its reverse (52431232431), we get a palindrome (65854445856).

The spelling of 13423213425 in words is "thirteen billion, four hundred twenty-three million, two hundred thirteen thousand, four hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 345 575 1725 7781573 23344719 38907865 116723595 178976179 194539325 536928537 583617975 894880895 2684642685 4474404475 13423213425