Search a number
-
+
27426268450 = 252778360767
BaseRepresentation
bin11001100010101110…
…111010010100100010
32121210101100210102101
4121202232322110202
5422132111042300
620333252041014
71660435302220
oct314256722442
977711323371
1027426268450
11106a4460469
12539500316a
1327810bb819
1414826c3b10
15aa7bd6b6a
hex662bba522

27426268450 has 24 divisors (see below), whose sum is σ = 58300411392. Its totient is φ = 9403291920.

The previous prime is 27426268421. The next prime is 27426268459. The reversal of 27426268450 is 5486262472.

It is a self number, because there is not a number n which added to its sum of digits gives 27426268450.

It is not an unprimeable number, because it can be changed into a prime (27426268459) 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 11 ways as a sum of consecutive naturals, for example, 39180034 + ... + 39180733.

It is an arithmetic number, because the mean of its divisors is an integer number (2429183808).

Almost surely, 227426268450 is an apocalyptic number.

27426268450 is an abundant number, since it is smaller than the sum of its proper divisors (30874142942).

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

27426268450 is a wasteful number, since it uses less digits than its factorization.

27426268450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78360786 (or 78360781 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 27426268450 in words is "twenty-seven billion, four hundred twenty-six million, two hundred sixty-eight thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 78360767 156721534 391803835 548525369 783607670 1097050738 1959019175 2742626845 3918038350 5485253690 13713134225 27426268450