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868838188834 = 271129194545049
BaseRepresentation
bin11001010010010101100…
…10101010011100100010
310002001121211100001120001
430221022302222130202
5103213340034020314
61503045545410214
7116525422516060
oct14511262523442
93061554301501
10868838188834
11305521563950
1212047819996a
1363c147b0ba5
14300a294d030
151790190c674
hexca4acaa722

868838188834 has 32 divisors (see below), whose sum is σ = 1680869232000. Its totient is φ = 326835680640.

The previous prime is 868838188793. The next prime is 868838188837. The reversal of 868838188834 is 438881838868.

It is not an unprimeable number, because it can be changed into a prime (868838188837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97268059 + ... + 97276990.

It is an arithmetic number, because the mean of its divisors is an integer number (52527163500).

Almost surely, 2868838188834 is an apocalyptic number.

868838188834 is a deficient number, since it is larger than the sum of its proper divisors (812031043166).

868838188834 is a wasteful number, since it uses less digits than its factorization.

868838188834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194545098.

The product of its digits is 452984832, while the sum is 73.

The spelling of 868838188834 in words is "eight hundred sixty-eight billion, eight hundred thirty-eight million, one hundred eighty-eight thousand, eight hundred thirty-four".

Divisors: 1 2 7 11 14 22 29 58 77 154 203 319 406 638 2233 4466 194545049 389090098 1361815343 2139995539 2723630686 4279991078 5641806421 11283612842 14979968773 29959937546 39492644947 62059870631 78985289894 124119741262 434419094417 868838188834