Search a number
-
+
11801164210457 = 53222663475669
BaseRepresentation
bin1010101110111010110000…
…1100110110000100011001
31112210011212102110102210212
42223232230030312010121
53021322241014213312
641033214025020505
72325414564463046
oct253565414660431
945704772412725
1011801164210457
11383a9335a5206
1213a718a024735
13677aca64394b
142cb2723921cd
15156e96cb7822
hexabbac336119

11801164210457 has 4 divisors (see below), whose sum is σ = 12023827686180. Its totient is φ = 11578500734736.

The previous prime is 11801164210453. The next prime is 11801164210499. The reversal of 11801164210457 is 75401246110811.

11801164210457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5312268986896 + 6488895223561 = 2304836^2 + 2547331^2 .

It is a cyclic number.

It is not a de Polignac number, because 11801164210457 - 22 = 11801164210453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11801164210453) 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, 111331737782 + ... + 111331737887.

It is an arithmetic number, because the mean of its divisors is an integer number (3005956921545).

Almost surely, 211801164210457 is an apocalyptic number.

It is an amenable number.

11801164210457 is a deficient number, since it is larger than the sum of its proper divisors (222663475723).

11801164210457 is an equidigital number, since it uses as much as digits as its factorization.

11801164210457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222663475722.

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 11801164210457 in words is "eleven trillion, eight hundred one billion, one hundred sixty-four million, two hundred ten thousand, four hundred fifty-seven".

Divisors: 1 53 222663475669 11801164210457