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4811868831 = 3711215112541
BaseRepresentation
bin1000111101100111…
…10100101010011111
3110102100101021010010
410132303310222133
534323314300311
62113251014303
7230146132050
oct43663645237
913370337103
104811868831
11204a1a1300
12b2359a393
135b8b9b983
143390cc727
151d2693da6
hex11ecf4a9f

4811868831 has 48 divisors (see below), whose sum is σ = 8113570304. Its totient is φ = 2482920000.

The previous prime is 4811868823. The next prime is 4811868857. The reversal of 4811868831 is 1388681184.

It is a happy number.

It is not a de Polignac number, because 4811868831 - 23 = 4811868823 is a prime.

It is a super-4 number, since 4×48118688314 (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4811868811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377421 + ... + 389961.

Almost surely, 24811868831 is an apocalyptic number.

4811868831 is a deficient number, since it is larger than the sum of its proper divisors (3301701473).

4811868831 is a wasteful number, since it uses less digits than its factorization.

4811868831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12724 (or 12713 counting only the distinct ones).

The product of its digits is 294912, while the sum is 48.

The square root of 4811868831 is about 69367.6353280116. The cubic root of 4811868831 is about 1688.2545417330.

The spelling of 4811868831 in words is "four billion, eight hundred eleven million, eight hundred sixty-eight thousand, eight hundred thirty-one".

Divisors: 1 3 7 11 21 33 77 121 151 231 363 453 847 1057 1661 2541 3171 4983 11627 12541 18271 34881 37623 54813 87787 127897 137951 263361 383691 413853 965657 1517461 1893691 2896971 4552383 5681073 10622227 13255837 20830601 31866681 39767511 62491803 145814207 229136611 437442621 687409833 1603956277 4811868831