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2823782013 = 3313231093209
BaseRepresentation
bin1010100001001111…
…0111111001111101
321021210102222201000
42220103313321331
521240342011023
61144111240513
7126655515423
oct25023677175
97253388630
102823782013
111219a51248
12669819139
13360035c40
141cb055113
15117d86243
hexa84f7e7d

2823782013 has 64 divisors (see below), whose sum is σ = 4745664000. Its totient is φ = 1646396928.

The previous prime is 2823781999. The next prime is 2823782029. The reversal of 2823782013 is 3102873282.

It is a happy number.

2823782013 is a `hidden beast` number, since 2 + 82 + 378 + 201 + 3 = 666.

It is not a de Polignac number, because 2823782013 - 210 = 2823780989 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2823782063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 878353 + ... + 881561.

It is an arithmetic number, because the mean of its divisors is an integer number (74151000).

Almost surely, 22823782013 is an apocalyptic number.

2823782013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2823782013 is a deficient number, since it is larger than the sum of its proper divisors (1921881987).

2823782013 is a wasteful number, since it uses less digits than its factorization.

2823782013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 2823782013 is about 53139.2699705218. The cubic root of 2823782013 is about 1413.4389528814.

The spelling of 2823782013 in words is "two billion, eight hundred twenty-three million, seven hundred eighty-two thousand, thirteen".

Divisors: 1 3 9 13 23 27 39 69 109 117 207 299 327 351 621 897 981 1417 2507 2691 2943 3209 4251 7521 8073 9627 12753 22563 28881 32591 38259 41717 67689 73807 86643 97773 125151 221421 293319 349781 375453 664263 879957 959491 1049343 1126359 1992789 2878473 3148029 4547153 8044963 8635419 9444087 13641459 24134889 25906257 40924377 72404667 104584519 122773131 217214001 313753557 941260671 2823782013