Search a number
-
+
26724680190 = 2335137699901
BaseRepresentation
bin11000111000111010…
…100100000111111110
32112222111012102021000
4120320322210013332
5414213004231230
620135510351130
71634156014335
oct307072440776
975874172230
1026724680190
111037442685a
12521a05b4a6
13269b944540
141417454d1c
15a662edb60
hex638ea41fe

26724680190 has 128 divisors (see below), whose sum is σ = 76855363200. Its totient is φ = 6569164800.

The previous prime is 26724680183. The next prime is 26724680209. The reversal of 26724680190 is 9108642762.

It is a happy number.

26724680190 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×267246801902 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

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 63 ways as a sum of consecutive naturals, for example, 2694240 + ... + 2704140.

It is an arithmetic number, because the mean of its divisors is an integer number (600432525).

Almost surely, 226724680190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26724680190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38427681600).

26724680190 is an abundant number, since it is smaller than the sum of its proper divisors (50130683010).

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

26724680190 is a wasteful number, since it uses less digits than its factorization.

26724680190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10699 (or 10693 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 26724680190 in words is "twenty-six billion, seven hundred twenty-four million, six hundred eighty thousand, one hundred ninety".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 769 1170 1538 1755 2307 3510 3845 4614 6921 7690 9901 9997 11535 13842 19802 19994 20763 23070 29703 29991 34605 41526 49505 49985 59406 59982 69210 89109 89973 99010 99970 103815 128713 148515 149955 178218 179946 207630 257426 267327 269919 297030 299910 386139 445545 449865 534654 539838 643565 772278 891090 899730 1158417 1287130 1336635 1349595 1930695 2316834 2673270 2699190 3475251 3861390 5792085 6950502 7613869 11584170 15227738 17376255 22841607 34752510 38069345 45683214 68524821 76138690 98980297 114208035 137049642 197960594 205574463 228416070 296940891 342624105 411148926 494901485 593881782 685248210 890822673 989802970 1027872315 1484704455 1781645346 2055744630 2672468019 2969408910 4454113365 5344936038 8908226730 13362340095 26724680190