Search a number
-
+
45213151540 = 2252260657577
BaseRepresentation
bin101010000110111010…
…011111000100110100
311022200222112002000011
4222012322133010310
51220044031322130
632434242430004
73160265306224
oct520672370464
9138628462004
1045213151540
11181a1710a47
128919962304
13435712160b
14228cab6084
1512994e452a
hexa86e9f134

45213151540 has 12 divisors (see below), whose sum is σ = 94947618276. Its totient is φ = 18085260608.

The previous prime is 45213151537. The next prime is 45213151541. The reversal of 45213151540 is 4515131254.

45213151540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11004429604 + 34208721936 = 104902^2 + 184956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45213151541) 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, 1130328769 + ... + 1130328808.

It is an arithmetic number, because the mean of its divisors is an integer number (7912301523).

Almost surely, 245213151540 is an apocalyptic number.

It is an amenable number.

45213151540 is an abundant number, since it is smaller than the sum of its proper divisors (49734466736).

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

45213151540 is a wasteful number, since it uses less digits than its factorization.

45213151540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260657586 (or 2260657584 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 45213151540 its reverse (4515131254), we get a palindrome (49728282794).

The spelling of 45213151540 in words is "forty-five billion, two hundred thirteen million, one hundred fifty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2260657577 4521315154 9042630308 11303287885 22606575770 45213151540