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2812994093 = 713232295869
BaseRepresentation
bin1010011110101010…
…1110001000101101
321021001010220110102
42213222232020231
521230111302333
61143044120445
7126465024650
oct24752561055
97231126412
102812994093
111213953108
12666096125
1335aa29860
141c9847897
15116e54ae8
hexa7aae22d

2812994093 has 32 divisors (see below), whose sum is σ = 3629068800. Its totient is φ = 2119239936.

The previous prime is 2812994087. The next prime is 2812994111. The reversal of 2812994093 is 3904992182.

It is a cyclic number.

It is not a de Polignac number, because 2812994093 - 216 = 2812928557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812993093) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 476363 + ... + 482231.

It is an arithmetic number, because the mean of its divisors is an integer number (113408400).

Almost surely, 22812994093 is an apocalyptic number.

2812994093 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2812994093 is a deficient number, since it is larger than the sum of its proper divisors (816074707).

2812994093 is a wasteful number, since it uses less digits than its factorization.

2812994093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 2812994093 is about 53037.6667378949. Note that the first 3 decimals coincide. The cubic root of 2812994093 is about 1411.6366979153.

The spelling of 2812994093 in words is "two billion, eight hundred twelve million, nine hundred ninety-four thousand, ninety-three".

Divisors: 1 7 13 23 91 161 229 299 1603 2093 2977 5267 5869 20839 36869 41083 68471 76297 134987 479297 534079 944909 1344001 1754831 9408007 12283817 17472013 30912023 122304091 216384161 401856299 2812994093