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505025050053 = 3168341683351
BaseRepresentation
bin1110101100101011101…
…01101011010111000101
31210021120001201201000110
413112111311223113011
531233242403100203
61024001051303233
751325664045136
oct7262565532705
91707501651013
10505025050053
111851a8524a27
1281a63a4ab19
133881523a584
141a62c765c8d
15d20bd86d03
hex7595d6b5c5

505025050053 has 4 divisors (see below), whose sum is σ = 673366733408. Its totient is φ = 336683366700.

The previous prime is 505025050043. The next prime is 505025050069. The reversal of 505025050053 is 350050520505.

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 505025050053 - 26 = 505025049989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505025050053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505025050043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84170841673 + ... + 84170841678.

It is an arithmetic number, because the mean of its divisors is an integer number (168341683352).

Almost surely, 2505025050053 is an apocalyptic number.

It is an amenable number.

505025050053 is a deficient number, since it is larger than the sum of its proper divisors (168341683355).

505025050053 is a wasteful number, since it uses less digits than its factorization.

505025050053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168341683354.

The product of its (nonzero) digits is 18750, while the sum is 30.

Adding to 505025050053 its reverse (350050520505), we get a palindrome (855075570558).

The spelling of 505025050053 in words is "five hundred five billion, twenty-five million, fifty thousand, fifty-three".

Divisors: 1 3 168341683351 505025050053