Search a number
-
+
185427102242 = 23044892
BaseRepresentation
bin1010110010110001010…
…0010000101000100010
3122201121201210202221102
42230230110100220202
511014223314232432
6221103430154402
716253025235424
oct2545424205042
9581551722842
10185427102242
1171703846448
122bb2b1b2a02
1314641113755
148d908b8814
154c53dc8962
hex2b2c510a22

185427102242 has 6 divisors (see below), whose sum is σ = 278141566833. Its totient is φ = 92713246632.

The previous prime is 185427102227. The next prime is 185427102269. The reversal of 185427102242 is 242201724581.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 141188814001 + 44238288241 = 375751^2 + 210329^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=304489.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 185427102196 and 185427102205.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 456734 + ... + 761222.

Almost surely, 2185427102242 is an apocalyptic number.

185427102242 is a deficient number, since it is larger than the sum of its proper divisors (92714464591).

185427102242 is an frugal number, since it uses more digits than its factorization.

185427102242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608980 (or 304491 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The spelling of 185427102242 in words is "one hundred eighty-five billion, four hundred twenty-seven million, one hundred two thousand, two hundred forty-two".

Divisors: 1 2 304489 608978 92713551121 185427102242