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1299142675 = 5273711859
BaseRepresentation
bin100110101101111…
…0101100000010011
310100112120021201101
41031123311200103
510130040031200
6332525045231
744123346655
oct11533654023
93315507641
101299142675
11607372136
123030b6817
131791c799c
14c477a6d5
15790c126a
hex4d6f5813

1299142675 has 12 divisors (see below), whose sum is σ = 1633006840. Its totient is φ = 1025075520.

The previous prime is 1299142673. The next prime is 1299142679. The reversal of 1299142675 is 5762419921.

It is not a de Polignac number, because 1299142675 - 21 = 1299142673 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1299142673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354105 + ... + 357754.

Almost surely, 21299142675 is an apocalyptic number.

1299142675 is a deficient number, since it is larger than the sum of its proper divisors (333864165).

1299142675 is an equidigital number, since it uses as much as digits as its factorization.

1299142675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711942 (or 711937 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 1299142675 is about 36043.6218352152. The cubic root of 1299142675 is about 1091.1529127621.

The spelling of 1299142675 in words is "one billion, two hundred ninety-nine million, one hundred forty-two thousand, six hundred seventy-five".

Divisors: 1 5 25 73 365 1825 711859 3559295 17796475 51965707 259828535 1299142675