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2740085815 = 53117677973
BaseRepresentation
bin1010001101010010…
…0110010000110111
321001221221210002211
42203110212100313
521102430221230
61131521314251
7124621226245
oct24324462067
97057853084
102740085815
111186786035
12645795987
133488b036c
141bdca9795
1511085242a
hexa3526437

2740085815 has 8 divisors (see below), whose sum is σ = 3394171008. Its totient is φ = 2121356640.

The previous prime is 2740085813. The next prime is 2740085819. The reversal of 2740085815 is 5185800472.

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

It is not a de Polignac number, because 2740085815 - 21 = 2740085813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740085813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8838832 + ... + 8839141.

It is an arithmetic number, because the mean of its divisors is an integer number (424271376).

Almost surely, 22740085815 is an apocalyptic number.

2740085815 is a deficient number, since it is larger than the sum of its proper divisors (654085193).

2740085815 is a wasteful number, since it uses less digits than its factorization.

2740085815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17678009.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 2740085815 is about 52345.8290124438. The cubic root of 2740085815 is about 1399.3340055087.

The spelling of 2740085815 in words is "two billion, seven hundred forty million, eighty-five thousand, eight hundred fifteen".

Divisors: 1 5 31 155 17677973 88389865 548017163 2740085815