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4871236139 = 711671974793
BaseRepresentation
bin1001000100101100…
…10010101000101011
3110120111002102202022
410202112102220223
534434014024024
62123211255055
7231466552430
oct44226225053
913514072668
104871236139
11207a75a8a0
12b3b44a48b
135c8286963
14342d43b87
151d79be35e
hex122592a2b

4871236139 has 32 divisors (see below), whose sum is σ = 6196455936. Its totient is φ = 3719358720.

The previous prime is 4871236129. The next prime is 4871236157. The reversal of 4871236139 is 9316321784.

4871236139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4871236139 - 224 = 4854458923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4871236139.

It is not an unprimeable number, because it can be changed into a prime (4871236129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1013927 + ... + 1018719.

It is an arithmetic number, because the mean of its divisors is an integer number (193639248).

Almost surely, 24871236139 is an apocalyptic number.

4871236139 is a deficient number, since it is larger than the sum of its proper divisors (1325219797).

4871236139 is a wasteful number, since it uses less digits than its factorization.

4871236139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075.

The product of its digits is 217728, while the sum is 44.

The square root of 4871236139 is about 69794.2414458385. The cubic root of 4871236139 is about 1695.1692314273.

The spelling of 4871236139 in words is "four billion, eight hundred seventy-one million, two hundred thirty-six thousand, one hundred thirty-nine".

Divisors: 1 7 11 67 77 197 469 737 1379 2167 4793 5159 13199 15169 33551 52723 92393 145189 321131 369061 944221 1016323 2247917 3532441 6609547 10386431 24727087 63262807 72705017 442839649 695890877 4871236139