Search a number
-
+
52222003280 = 245652775041
BaseRepresentation
bin110000101000101011…
…001000100001010000
311222210102220122002122
4300220223020201100
51323422313101110
635553534433412
73526052463266
oct605053104120
9158712818078
1052222003280
1120168a60aa7
12a155062868
134c03206575
142755898436
1515599ab255
hexc28ac8850

52222003280 has 20 divisors (see below), whose sum is σ = 121416157812. Its totient is φ = 20888801280.

The previous prime is 52222003271. The next prime is 52222003289. The reversal of 52222003280 is 8230022225.

It is an interprime number because it is at equal distance from previous prime (52222003271) and next prime (52222003289).

It can be written as a sum of positive squares in 2 ways, for example, as 17807301136 + 34414702144 = 133444^2 + 185512^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52222003289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326387441 + ... + 326387600.

Almost surely, 252222003280 is an apocalyptic number.

It is an amenable number.

52222003280 is an abundant number, since it is smaller than the sum of its proper divisors (69194154532).

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

52222003280 is a wasteful number, since it uses less digits than its factorization.

52222003280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652775054 (or 652775048 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 52222003280 in words is "fifty-two billion, two hundred twenty-two million, three thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 652775041 1305550082 2611100164 3263875205 5222200328 6527750410 10444400656 13055500820 26111001640 52222003280