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27930949276 = 2228124849599
BaseRepresentation
bin11010000000110100…
…000111011010011100
32200002120000020100211
4122000310013122130
5424200310334101
620455321102204
72006104102666
oct320064073234
980076006324
1027930949276
111093332465a
1254b6027964
132831822329
1414cd737536
15ad7176c51
hex680d0769c

27930949276 has 12 divisors (see below), whose sum is σ = 49053110400. Its totient is φ = 13915774880.

The previous prime is 27930949273. The next prime is 27930949283. The reversal of 27930949276 is 67294903972.

It is a self number, because there is not a number n which added to its sum of digits gives 27930949276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27930949273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12423676 + ... + 12425923.

It is an arithmetic number, because the mean of its divisors is an integer number (4087759200).

Almost surely, 227930949276 is an apocalyptic number.

It is an amenable number.

27930949276 is a deficient number, since it is larger than the sum of its proper divisors (21122161124).

27930949276 is a wasteful number, since it uses less digits than its factorization.

27930949276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24849884 (or 24849882 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 58.

It can be divided in two parts, 27930949 and 276, that added together give a square (27931225 = 52852).

The spelling of 27930949276 in words is "twenty-seven billion, nine hundred thirty million, nine hundred forty-nine thousand, two hundred seventy-six".

Divisors: 1 2 4 281 562 1124 24849599 49699198 99398396 6982737319 13965474638 27930949276