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505132143213 = 3168377381071
BaseRepresentation
bin1110101100111000011…
…10001101001001101101
31210021211112020121012210
413112130032031021231
531234002312040323
61024015434521033
751331434242115
oct7263416151155
91707745217183
10505132143213
11185252a20675
1281a93896179
13388314957c9
141a63ca82045
15d21648d293
hex759c38d26d

505132143213 has 4 divisors (see below), whose sum is σ = 673509524288. Its totient is φ = 336754762140.

The previous prime is 505132143209. The next prime is 505132143221. The reversal of 505132143213 is 312341231505.

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 not a de Polignac number, because 505132143213 - 22 = 505132143209 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 (505132143203) 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, 84188690533 + ... + 84188690538.

It is an arithmetic number, because the mean of its divisors is an integer number (168377381072).

Almost surely, 2505132143213 is an apocalyptic number.

It is an amenable number.

505132143213 is a deficient number, since it is larger than the sum of its proper divisors (168377381075).

505132143213 is a wasteful number, since it uses less digits than its factorization.

505132143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168377381074.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 505132143213 its reverse (312341231505), we get a palindrome (817473374718).

The spelling of 505132143213 in words is "five hundred five billion, one hundred thirty-two million, one hundred forty-three thousand, two hundred thirteen".

Divisors: 1 3 168377381071 505132143213