Search a number
-
+
5187270054 = 236115599091
BaseRepresentation
bin1001101010010111…
…10111010110100110
3111101111202121210010
410311023313112212
541110420120204
62214421111050
7242355032211
oct46513672646
914344677703
105187270054
11222209584a
121009258486
136488a9885
14372ccc778
152055e8d89
hex1352f75a6

5187270054 has 32 divisors (see below), whose sum is σ = 10552538880. Its totient is φ = 1699466400.

The previous prime is 5187270031. The next prime is 5187270059. The reversal of 5187270054 is 4500727815.

It is a super-2 number, since 2×51872700542 = 53815541226250325832, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5187269994 and 5187270021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187270059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566049 + ... + 575139.

It is an arithmetic number, because the mean of its divisors is an integer number (329766840).

Almost surely, 25187270054 is an apocalyptic number.

5187270054 is an abundant number, since it is smaller than the sum of its proper divisors (5365268826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5187270054 is a wasteful number, since it uses less digits than its factorization.

5187270054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10716.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 5187270054 is about 72022.7051283135. The cubic root of 5187270054 is about 1731.0633148211.

Adding to 5187270054 its reverse (4500727815), we get a palindrome (9687997869).

The spelling of 5187270054 in words is "five billion, one hundred eighty-seven million, two hundred seventy thousand, fifty-four".

Divisors: 1 2 3 6 61 122 183 366 1559 3118 4677 9091 9354 18182 27273 54546 95099 190198 285297 554551 570594 1109102 1663653 3327306 14172869 28345738 42518607 85037214 864545009 1729090018 2593635027 5187270054