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45441021415 = 512073752771
BaseRepresentation
bin101010010100011111…
…101111010111100111
311100021212022001201011
4222110133233113213
51221030400141130
632513022443051
73166033210666
oct522437572747
9140255261634
1045441021415
11182a92a9a59
128982133487
1343923b616a
1422b1070ddd
1512ae50652a
hexa947ef5e7

45441021415 has 8 divisors (see below), whose sum is σ = 54533814768. Its totient is φ = 36349757760.

The previous prime is 45441021347. The next prime is 45441021473. The reversal of 45441021415 is 51412014454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45441021415 - 211 = 45441019367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316021 + ... + 436750.

It is an arithmetic number, because the mean of its divisors is an integer number (6816726846).

Almost surely, 245441021415 is an apocalyptic number.

45441021415 is a deficient number, since it is larger than the sum of its proper divisors (9092793353).

45441021415 is a wasteful number, since it uses less digits than its factorization.

45441021415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764849.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 45441021415 its reverse (51412014454), we get a palindrome (96853035869).

The spelling of 45441021415 in words is "forty-five billion, four hundred forty-one million, twenty-one thousand, four hundred fifteen".

Divisors: 1 5 12073 60365 752771 3763855 9088204283 45441021415