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1827831836913 = 319231638553541
BaseRepresentation
bin11010100110010011010…
…001000111000011110001
320110201221202001222020020
4122212103101013003301
5214421344422240123
63515405551434053
7246025243156515
oct32462321070361
96421852058206
101827831836913
116451a74696a5
122562b5225929
13103496374a64
1464678ca6145
153282d1537e3
hex1a9934470f1

1827831836913 has 32 divisors (see below), whose sum is σ = 2693339304960. Its totient is φ = 1097453396160.

The previous prime is 1827831836911. The next prime is 1827831836917. The reversal of 1827831836913 is 3196381387281.

It is a happy number.

It is not a de Polignac number, because 1827831836913 - 21 = 1827831836911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1827831836911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4063078 + ... + 4490463.

It is an arithmetic number, because the mean of its divisors is an integer number (84166853280).

Almost surely, 21827831836913 is an apocalyptic number.

It is an amenable number.

1827831836913 is a deficient number, since it is larger than the sum of its proper divisors (865507468047).

1827831836913 is a wasteful number, since it uses less digits than its factorization.

1827831836913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553749.

The product of its digits is 10450944, while the sum is 60.

The spelling of 1827831836913 in words is "one trillion, eight hundred twenty-seven billion, eight hundred thirty-one million, eight hundred thirty-six thousand, nine hundred thirteen".

Divisors: 1 3 19 23 57 69 163 437 489 1311 3097 3749 9291 11247 71231 213693 8553541 25660623 162517279 196731443 487551837 590194329 1394227183 3737897417 4182681549 11213692251 26490316477 32067225209 79470949431 96201675627 609277278971 1827831836913