Search a number
-
+
28285471314 = 2325329649341
BaseRepresentation
bin11010010101111100…
…100000101001010010
32201000021002211011200
4122111330200221102
5430412040040224
620554423452030
72020640352642
oct322574405122
981007084150
1028285471314
1110aa5458281
1255948b7016
13288a0cc899
141524860522
15b083555c9
hex695f20a52

28285471314 has 24 divisors (see below), whose sum is σ = 62441514252. Its totient is φ = 9250594080.

The previous prime is 28285471307. The next prime is 28285471321. The reversal of 28285471314 is 41317458282.

28285471314 is a `hidden beast` number, since 2 + 82 + 8 + 547 + 13 + 14 = 666.

It is an interprime number because it is at equal distance from previous prime (28285471307) and next prime (28285471321).

It can be written as a sum of positive squares in 2 ways, for example, as 27434290689 + 851180625 = 165633^2 + 29175^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28285471314.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14823717 + ... + 14825624.

Almost surely, 228285471314 is an apocalyptic number.

28285471314 is an abundant number, since it is smaller than the sum of its proper divisors (34156042938).

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

28285471314 is a wasteful number, since it uses less digits than its factorization.

28285471314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29649402 (or 29649399 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 28285471314 in words is "twenty-eight billion, two hundred eighty-five million, four hundred seventy-one thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 29649341 59298682 88948023 177896046 266844069 533688138 1571415073 3142830146 4714245219 9428490438 14142735657 28285471314