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53073804697 = 142867371491
BaseRepresentation
bin110001011011011100…
…011111110110011001
312001222210201121222021
4301123130133312121
51332143343222242
640214243454441
73556134616324
oct613334376631
9161883647867
1053073804697
1120565863011
12a352387421
13500a825784
1427d6a697bb
1515a9666b67
hexc5b71fd99

53073804697 has 4 divisors (see below), whose sum is σ = 53074319056. Its totient is φ = 53073290340.

The previous prime is 53073804659. The next prime is 53073804701. The reversal of 53073804697 is 79640837035.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53073804697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53073804647) 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, 42879 + ... + 328612.

It is an arithmetic number, because the mean of its divisors is an integer number (13268579764).

Almost surely, 253073804697 is an apocalyptic number.

It is an amenable number.

53073804697 is a deficient number, since it is larger than the sum of its proper divisors (514359).

53073804697 is a wasteful number, since it uses less digits than its factorization.

53073804697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514358.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 53073804697 in words is "fifty-three billion, seventy-three million, eight hundred four thousand, six hundred ninety-seven".

Divisors: 1 142867 371491 53073804697