Search a number
-
+
45477127409 = 72928104641
BaseRepresentation
bin101010010110101001…
…011110010011110001
311100101101020102211012
4222112221132103301
51221114121034114
632520352400305
73166652130200
oct522651362361
9140341212735
1045477127409
111831771aa1a
128992246095
134399a1845c
1422b5b8d237
1512b278963e
hexa96a5e4f1

45477127409 has 6 divisors (see below), whose sum is σ = 52901964594. Its totient is φ = 38980394880.

The previous prime is 45477127349. The next prime is 45477127411. The reversal of 45477127409 is 90472177454.

It can be written as a sum of positive squares in only one way, i.e., 39188161600 + 6288965809 = 197960^2 + 79303^2 .

It is not a de Polignac number, because 45477127409 - 28 = 45477127153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45477127459) 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 5 ways as a sum of consecutive naturals, for example, 464052272 + ... + 464052369.

It is an arithmetic number, because the mean of its divisors is an integer number (8816994099).

Almost surely, 245477127409 is an apocalyptic number.

45477127409 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

45477127409 is a deficient number, since it is larger than the sum of its proper divisors (7424837185).

45477127409 is an equidigital number, since it uses as much as digits as its factorization.

45477127409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928104655 (or 928104648 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 45477127409 in words is "forty-five billion, four hundred seventy-seven million, one hundred twenty-seven thousand, four hundred nine".

Divisors: 1 7 49 928104641 6496732487 45477127409