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2660113515 = 35434124207
BaseRepresentation
bin1001111010001110…
…0001110001101011
320212101110202201210
42132203201301223
520421442113030
61115543244203
7122630406663
oct23643416153
96771422653
102660113515
111145623724
12622a49663
1333515c787
141b340d1a3
15108806bb0
hex9e8e1c6b

2660113515 has 16 divisors (see below), whose sum is σ = 4355163648. Its totient is φ = 1385733216.

The previous prime is 2660113481. The next prime is 2660113543. The reversal of 2660113515 is 5153110662.

It is not a de Polignac number, because 2660113515 - 27 = 2660113387 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2061459 + ... + 2062748.

It is an arithmetic number, because the mean of its divisors is an integer number (272197728).

Almost surely, 22660113515 is an apocalyptic number.

2660113515 is a deficient number, since it is larger than the sum of its proper divisors (1695050133).

2660113515 is a wasteful number, since it uses less digits than its factorization.

2660113515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124258.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2660113515 is about 51576.2883018931. The cubic root of 2660113515 is about 1385.5856915448.

The spelling of 2660113515 in words is "two billion, six hundred sixty million, one hundred thirteen thousand, five hundred fifteen".

Divisors: 1 3 5 15 43 129 215 645 4124207 12372621 20621035 61863105 177340901 532022703 886704505 2660113515