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44311513009 = 181211632
BaseRepresentation
bin101001010001001011…
…000000011110110001
311020101010221002110111
4221101023000132301
51211222221404014
632204553301321
73126036434401
oct512113003661
9136333832414
1044311513009
111787976a635
128707a04841
1342423a31aa
142205050801
1512452922c4
hexa512c07b1

44311513009 has 9 divisors (see below), whose sum is σ = 44596026219. Its totient is φ = 44028807480.

The previous prime is 44311512989. The next prime is 44311513021. The reversal of 44311513009 is 90031511344.

The square root of 44311513009 is 210503.

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

It can be written as a sum of positive squares in only one way, i.e., 488277409 + 43823235600 = 22097^2 + 209340^2 .

It is not a de Polignac number, because 44311513009 - 217 = 44311381937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44311513049) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38100462 + ... + 38101624.

Almost surely, 244311513009 is an apocalyptic number.

44311513009 is the 210503-rd square number.

44311513009 is the 105252-nd centered octagonal number.

It is an amenable number.

44311513009 is a deficient number, since it is larger than the sum of its proper divisors (284513210).

44311513009 is an frugal number, since it uses more digits than its factorization.

44311513009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 44311513009 in words is "forty-four billion, three hundred eleven million, five hundred thirteen thousand, nine".

Divisors: 1 181 1163 32761 210503 1352569 38101043 244814989 44311513009