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45630513769 = 2136132
BaseRepresentation
bin101010011111110010…
…100110001001101001
311100210001212021100111
4222133302212021221
51221422402420034
632543512134321
73203523652561
oct523762461151
9140701767314
1045630513769
1118396265405
128a156973a1
1343c2731809
1422cc2b9da1
1512c0e87364
hexa9fca6269

45630513769 has 3 divisors (see below), whose sum is σ = 45630727383. Its totient is φ = 45630300156.

The previous prime is 45630513751. The next prime is 45630513779. The reversal of 45630513769 is 96731503654.

The square root of 45630513769 is 213613.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 45486225625 + 144288144 = 213275^2 + 12012^2 .

It is not a de Polignac number, because 45630513769 - 217 = 45630382697 is a prime.

It is a super-2 number, since 2×456305137692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45630513779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 106807 + ... + 320419.

It is an arithmetic number, because the mean of its divisors is an integer number (15210242461).

Almost surely, 245630513769 is an apocalyptic number.

45630513769 is the 213613-rd square number.

45630513769 is the 106807-th centered octagonal number.

It is an amenable number.

45630513769 is a deficient number, since it is larger than the sum of its proper divisors (213614).

45630513769 is an frugal number, since it uses more digits than its factorization.

45630513769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427226 (or 213613 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 49.

Multiplying 45630513769 by its sum of digits (49), we get a square (2235895174681 = 14952912).

It can be divided in two parts, 456305 and 13769, that added together give a palindrome (470074).

The spelling of 45630513769 in words is "forty-five billion, six hundred thirty million, five hundred thirteen thousand, seven hundred sixty-nine".

Divisors: 1 213613 45630513769