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18416768434260 = 2235743849448653
BaseRepresentation
bin1000010111111111111001…
…11100001100000001010100
32102012121220020221202010020
410023333330330030001110
54403220020204344020
6103100314023025140
73610365455532150
oct413777474140124
972177806852106
1018416768434260
115960564725489
12209536259b1b0
13a379033c4261
1447953a9b2060
1521e0e0986c40
hex10bffcf0c054

18416768434260 has 48 divisors (see below), whose sum is σ = 58933658990976. Its totient is φ = 4209547070592.

The previous prime is 18416768434231. The next prime is 18416768434283. The reversal of 18416768434260 is 6243486761481.

It is a super-2 number, since 2×184167684342602 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 18416768434194 and 18416768434203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21924723907 + ... + 21924724746.

It is an arithmetic number, because the mean of its divisors is an integer number (1227784562312).

Almost surely, 218416768434260 is an apocalyptic number.

18416768434260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18416768434260 is an abundant number, since it is smaller than the sum of its proper divisors (40516890556716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18416768434260 is a wasteful number, since it uses less digits than its factorization.

18416768434260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43849448672 (or 43849448670 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 60.

The spelling of 18416768434260 in words is "eighteen trillion, four hundred sixteen billion, seven hundred sixty-eight million, four hundred thirty-four thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 43849448653 87698897306 131548345959 175397794612 219247243265 263096691918 306946140571 438494486530 526193383836 613892281142 657741729795 876988973060 920838421713 1227784562284 1315483459590 1534730702855 1841676843426 2630966919180 3069461405710 3683353686852 4604192108565 6138922811420 9208384217130 18416768434260