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2790639129 = 34126578539
BaseRepresentation
bin1010011001010101…
…1100011000011001
321012111002011012210
42212111130120121
521203400423004
61140525025333
7126104020065
oct24625343031
97174064183
102790639129
111202274533
1265a6b5249
13356200575
141c68a8aa5
15114edb089
hexa655c619

2790639129 has 16 divisors (see below), whose sum is σ = 3813485760. Its totient is φ = 1814154240.

The previous prime is 2790639107. The next prime is 2790639133. The reversal of 2790639129 is 9219360972.

It is a de Polignac number, because none of the positive numbers 2k-2790639129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2790639169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322542 + ... + 331080.

It is an arithmetic number, because the mean of its divisors is an integer number (238342860).

Almost surely, 22790639129 is an apocalyptic number.

It is an amenable number.

2790639129 is a deficient number, since it is larger than the sum of its proper divisors (1022846631).

2790639129 is a wasteful number, since it uses less digits than its factorization.

2790639129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11240.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 2790639129 is about 52826.5002531873. The cubic root of 2790639129 is about 1407.8873057899.

The spelling of 2790639129 in words is "two billion, seven hundred ninety million, six hundred thirty-nine thousand, one hundred twenty-nine".

Divisors: 1 3 41 123 2657 7971 8539 25617 108937 326811 350099 1050297 22688123 68064369 930213043 2790639129