Search a number
-
+
28364478366 = 237675344723
BaseRepresentation
bin11010011010101001…
…111001011110011110
32201012202202210110210
4122122221321132132
5431042301301431
621010325113250
72022620042130
oct323251713636
981182683423
1028364478366
1111036010464
1255b7258826
1328a05a3013
141531149050
15b1025ed46
hex69aa7979e

28364478366 has 16 divisors (see below), whose sum is σ = 64833093504. Its totient is φ = 8104136664.

The previous prime is 28364478313. The next prime is 28364478431. The reversal of 28364478366 is 66387446382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337672320 + ... + 337672403.

It is an arithmetic number, because the mean of its divisors is an integer number (4052068344).

Almost surely, 228364478366 is an apocalyptic number.

28364478366 is an abundant number, since it is smaller than the sum of its proper divisors (36468615138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28364478366 is a wasteful number, since it uses less digits than its factorization.

28364478366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675344735.

The product of its digits is 27869184, while the sum is 57.

The spelling of 28364478366 in words is "twenty-eight billion, three hundred sixty-four million, four hundred seventy-eight thousand, three hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 42 675344723 1350689446 2026034169 4052068338 4727413061 9454826122 14182239183 28364478366