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5575480781 = 13428883137
BaseRepresentation
bin1010011000101001…
…10001010111001101
3112101120020202210012
411030110301113031
542404310341111
62321125523005
7255110543003
oct51424612715
915346222705
105575480781
112401239262
1210b7273465
136ab151070
143ac6a4a73
1522972e48b
hex14c5315cd

5575480781 has 4 divisors (see below), whose sum is σ = 6004363932. Its totient is φ = 5146597632.

The previous prime is 5575480759. The next prime is 5575480873. The reversal of 5575480781 is 1870845755.

5575480781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 861422500 + 4714058281 = 29350^2 + 68659^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5575480781 is a prime.

It is a super-2 number, since 2×55754807812 = 62171971878600739922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5575480711) 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, 214441556 + ... + 214441581.

It is an arithmetic number, because the mean of its divisors is an integer number (1501090983).

Almost surely, 25575480781 is an apocalyptic number.

It is an amenable number.

5575480781 is a deficient number, since it is larger than the sum of its proper divisors (428883151).

5575480781 is a wasteful number, since it uses less digits than its factorization.

5575480781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428883150.

The product of its (nonzero) digits is 1568000, while the sum is 50.

The square root of 5575480781 is about 74669.1420936387. The cubic root of 5575480781 is about 1773.2124601464.

The spelling of 5575480781 in words is "five billion, five hundred seventy-five million, four hundred eighty thousand, seven hundred eighty-one".

Divisors: 1 13 428883137 5575480781