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2741408865 = 3251317275657
BaseRepresentation
bin1010001101100110…
…1001010001100001
321002001102222222200
42203121221101201
521103300040430
61132005523413
7124635406446
oct24331512141
97061388880
102741408865
1111874aa068
12646113569
13348c54630
141c01319cd
15110a14460
hexa3669461

2741408865 has 48 divisors (see below), whose sum is σ = 5418333648. Its totient is φ = 1270222848.

The previous prime is 2741408861. The next prime is 2741408881. The reversal of 2741408865 is 5688041472.

It can be written as a sum of positive squares in 8 ways, for example, as 99860049 + 2641548816 = 9993^2 + 51396^2 .

It is not a de Polignac number, because 2741408865 - 22 = 2741408861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2741408865.

It is not an unprimeable number, because it can be changed into a prime (2741408861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127884 + ... + 147773.

It is an arithmetic number, because the mean of its divisors is an integer number (112881951).

Almost surely, 22741408865 is an apocalyptic number.

It is an amenable number.

2741408865 is a deficient number, since it is larger than the sum of its proper divisors (2676924783).

2741408865 is a wasteful number, since it uses less digits than its factorization.

2741408865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275698 (or 275695 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 2741408865 is about 52358.4650749046. The cubic root of 2741408865 is about 1399.5591920028.

The spelling of 2741408865 in words is "two billion, seven hundred forty-one million, four hundred eight thousand, eight hundred sixty-five".

Divisors: 1 3 5 9 13 15 17 39 45 51 65 85 117 153 195 221 255 585 663 765 1105 1989 3315 9945 275657 826971 1378285 2480913 3583541 4134855 4686169 10750623 12404565 14058507 17917705 23430845 32251869 42175521 53753115 60920197 70292535 161259345 182760591 210877605 304600985 548281773 913802955 2741408865