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13138106781710 = 251313810678171
BaseRepresentation
bin1011111100101111010000…
…1100000001000000001110
31201111222202020202221202202
42333023310030001000032
53210223320314003320
643535321332121502
72524124351025011
oct277136414010016
951458666687682
1013138106781710
11420592684aa19
121582305466292
13743bc224c5b1
14335c60033378
1517bb44089b75
hexbf2f430100e

13138106781710 has 8 divisors (see below), whose sum is σ = 23648592207096. Its totient is φ = 5255242712680.

The previous prime is 13138106781649. The next prime is 13138106781739. The reversal of 13138106781710 is 1718760183131.

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

It is a super-2 number, since 2×131381067817102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 656905339076 + ... + 656905339095.

It is an arithmetic number, because the mean of its divisors is an integer number (2956074025887).

Almost surely, 213138106781710 is an apocalyptic number.

13138106781710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13138106781710 is a deficient number, since it is larger than the sum of its proper divisors (10510485425386).

13138106781710 is a wasteful number, since it uses less digits than its factorization.

13138106781710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313810678178.

The product of its (nonzero) digits is 169344, while the sum is 47.

The spelling of 13138106781710 in words is "thirteen trillion, one hundred thirty-eight billion, one hundred six million, seven hundred eighty-one thousand, seven hundred ten".

Divisors: 1 2 5 10 1313810678171 2627621356342 6569053390855 13138106781710