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5056665187 = 71947808937
BaseRepresentation
bin1001011010110011…
…01001011001100011
3111001102000012120211
410231121221121203
540324001241222
62153433514551
7236210642050
oct45531513143
914042005524
105056665187
1121653a0442
12b91572a57
1362780b9a2
1435d812027
151e8deb277
hex12d669663

5056665187 has 16 divisors (see below), whose sum is σ = 6212643840. Its totient is φ = 4018794048.

The previous prime is 5056665169. The next prime is 5056665209. The reversal of 5056665187 is 7815666505.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5056665187 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 5056665187.

It is not an unprimeable number, because it can be changed into a prime (5056665157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398218 + ... + 410719.

It is an arithmetic number, because the mean of its divisors is an integer number (388290240).

Almost surely, 25056665187 is an apocalyptic number.

5056665187 is a deficient number, since it is larger than the sum of its proper divisors (1155978653).

5056665187 is a wasteful number, since it uses less digits than its factorization.

5056665187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809010.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 5056665187 is about 71110.2326462233. The cubic root of 5056665187 is about 1716.4114367944.

The spelling of 5056665187 in words is "five billion, fifty-six million, six hundred sixty-five thousand, one hundred eighty-seven".

Divisors: 1 7 19 47 133 329 893 6251 808937 5662559 15369803 38020039 107588621 266140273 722380741 5056665187