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15205345435013 = 47572595650081
BaseRepresentation
bin1101110101000100010100…
…1101101001110110000101
31222211121122200000022001112
43131101011031221312011
53443111021412410023
652201123402534405
73126356430453206
oct335210515516605
958747580008045
1015205345435013
114932607106168
121856a93507405
13863b1cb15946
143a7d2a8975ad
151b57d5026478
hexdd445369d85

15205345435013 has 8 divisors (see below), whose sum is σ = 15529137375360. Its totient is φ = 14881564909440.

The previous prime is 15205345434967. The next prime is 15205345435019. The reversal of 15205345435013 is 31053454350251.

15205345435013 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 a cyclic number.

It is not a de Polignac number, because 15205345435013 - 218 = 15205345172869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15205345435019) 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, 133868 + ... + 5516213.

It is an arithmetic number, because the mean of its divisors is an integer number (1941142171920).

Almost surely, 215205345435013 is an apocalyptic number.

It is an amenable number.

15205345435013 is a deficient number, since it is larger than the sum of its proper divisors (323791940347).

15205345435013 is an equidigital number, since it uses as much as digits as its factorization.

15205345435013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707387.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 15205345435013 its reverse (31053454350251), we get a palindrome (46258799785264).

The spelling of 15205345435013 in words is "fifteen trillion, two hundred five billion, three hundred forty-five million, four hundred thirty-five thousand, thirteen".

Divisors: 1 47 57259 2691173 5650081 265553807 323517987979 15205345435013