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13287433773 = 321787203293
BaseRepresentation
bin11000101111111111…
…00010011000101101
31021022000122120110210
430113333202120231
5204203040340043
610034255453033
7650163215655
oct142777423055
937260576423
1013287433773
1156a9456729
1226a9b27179
131339abcb63
149009cb365
1552b7cc633
hex317fe262d

13287433773 has 8 divisors (see below), whose sum is σ = 17717478688. Its totient is φ = 8857839024.

The previous prime is 13287433693. The next prime is 13287433777. The reversal of 13287433773 is 37733478231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13287433773 - 29 = 13287433261 is a prime.

It is a super-2 number, since 2×132874337732 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13287433777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36286 + ... + 167007.

It is an arithmetic number, because the mean of its divisors is an integer number (2214684836).

Almost surely, 213287433773 is an apocalyptic number.

It is an amenable number.

13287433773 is a deficient number, since it is larger than the sum of its proper divisors (4430044915).

13287433773 is a wasteful number, since it uses less digits than its factorization.

13287433773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225083.

The product of its digits is 1778112, while the sum is 48.

The spelling of 13287433773 in words is "thirteen billion, two hundred eighty-seven million, four hundred thirty-three thousand, seven hundred seventy-three".

Divisors: 1 3 21787 65361 203293 609879 4429144591 13287433773