Search a number
-
+
5262160181 = 192611971213
BaseRepresentation
bin1001110011010011…
…00011000100110101
3111120201200102201112
410321221203010311
541234103111211
62230054204405
7244254423605
oct47151430465
914521612645
105262160181
112260396913
12102a353705
1365b26b165
1437cc24c05
1520be8d88b
hex139a63135

5262160181 has 24 divisors (see below), whose sum is σ = 5678067384. Its totient is φ = 4874567040.

The previous prime is 5262160151. The next prime is 5262160187. The reversal of 5262160181 is 1810612625.

It can be written as a sum of positive squares in 4 ways, for example, as 76720081 + 5185440100 = 8759^2 + 72010^2 .

It is not a de Polignac number, because 5262160181 - 214 = 5262143797 is a prime.

It is a super-2 number, since 2×52621601812 = 55380659541003905522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5262160187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4337531 + ... + 4338743.

It is an arithmetic number, because the mean of its divisors is an integer number (236586141).

Almost surely, 25262160181 is an apocalyptic number.

It is an amenable number.

5262160181 is a deficient number, since it is larger than the sum of its proper divisors (415907203).

5262160181 is a wasteful number, since it uses less digits than its factorization.

5262160181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 5262160181 is about 72540.7484176997. The cubic root of 5262160181 is about 1739.3541643533.

The spelling of 5262160181 in words is "five billion, two hundred sixty-two million, one hundred sixty thousand, one hundred eighty-one".

Divisors: 1 19 61 197 361 1159 1213 3743 12017 22021 23047 71117 73993 228323 238961 437893 1405867 4338137 4540259 14576621 26711473 86264921 276955799 5262160181