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13105434345431 = 43674548918551
BaseRepresentation
bin1011111010110101100011…
…0000100011111111010111
31201101212102020211020000012
42332231120300203333113
53204204412143023211
643512315312310435
72521556610633521
oct276553060437727
951355366736005
1013105434345431
1141a2a90036a6a
121577b0754241b
13740ab6301b6c
14334440acca11
1517ad80a22d8b
hexbeb58c23fd7

13105434345431 has 8 divisors (see below), whose sum is σ = 13610364307584. Its totient is φ = 12609602220600.

The previous prime is 13105434345347. The next prime is 13105434345533. The reversal of 13105434345431 is 13454343450131.

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 13105434345431 - 222 = 13105430151127 is a prime.

It is a super-2 number, since 2×131054343454312 (a number of 27 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 (13105434345331) 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, 2274456395 + ... + 2274462156.

It is an arithmetic number, because the mean of its divisors is an integer number (1701295538448).

Almost surely, 213105434345431 is an apocalyptic number.

13105434345431 is a deficient number, since it is larger than the sum of its proper divisors (504929962153).

13105434345431 is an equidigital number, since it uses as much as digits as its factorization.

13105434345431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548918661.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 13105434345431 its reverse (13454343450131), we get a palindrome (26559777795562).

The spelling of 13105434345431 in words is "thirteen trillion, one hundred five billion, four hundred thirty-four million, three hundred forty-five thousand, four hundred thirty-one".

Divisors: 1 43 67 2881 4548918551 195603497693 304777542917 13105434345431