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1345143550013 = 7118945683803
BaseRepresentation
bin10011100100110000110…
…011011011000000111101
311202121001100220101212222
4103210300303123000331
5134014323222100023
62505541142335125
7166116624343664
oct23446063330075
94677040811788
101345143550013
1147952151450a
12198845a2a4a5
1399b00989703
1449168d03ddb
1524ecc26bcc8
hex13930cdb03d

1345143550013 has 4 divisors (see below), whose sum is σ = 1364089233888. Its totient is φ = 1326197866140.

The previous prime is 1345143550007. The next prime is 1345143550021. The reversal of 1345143550013 is 3100553415431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1345143550013 - 222 = 1345139355709 is a prime.

It is a super-2 number, since 2×13451435500132 (a number of 25 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 (1345143555013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9472841831 + ... + 9472841972.

It is an arithmetic number, because the mean of its divisors is an integer number (341022308472).

Almost surely, 21345143550013 is an apocalyptic number.

It is an amenable number.

1345143550013 is a deficient number, since it is larger than the sum of its proper divisors (18945683875).

1345143550013 is an equidigital number, since it uses as much as digits as its factorization.

1345143550013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18945683874.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 1345143550013 its reverse (3100553415431), we get a palindrome (4445696965444).

The spelling of 1345143550013 in words is "one trillion, three hundred forty-five billion, one hundred forty-three million, five hundred fifty thousand, thirteen".

Divisors: 1 71 18945683803 1345143550013