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26232044020 = 22571318179631
BaseRepresentation
bin11000011011100011…
…010011100111110100
32111201011012220110221
4120123203103213310
5412210400402040
620014551424124
71616024460310
oct303343234764
974634186427
1026232044020
1110141339a26
125101085044
13262086a150
1413abc58b40
15a37e3c74a
hex61b8d39f4

26232044020 has 96 divisors (see below), whose sum is σ = 68175184896. Its totient is φ = 8256038400.

The previous prime is 26232044011. The next prime is 26232044023. The reversal of 26232044020 is 2044023262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26232044023) 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, 289605 + ... + 369235.

It is an arithmetic number, because the mean of its divisors is an integer number (710158176).

Almost surely, 226232044020 is an apocalyptic number.

26232044020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26232044020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34087592448).

26232044020 is an abundant number, since it is smaller than the sum of its proper divisors (41943140876).

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

26232044020 is a wasteful number, since it uses less digits than its factorization.

26232044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79841 (or 79839 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 26232044020 its reverse (2044023262), we get a palindrome (28276067282).

The spelling of 26232044020 in words is "twenty-six billion, two hundred thirty-two million, forty-four thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 181 182 260 362 364 455 724 905 910 1267 1810 1820 2353 2534 3620 4706 5068 6335 9412 11765 12670 16471 23530 25340 32942 47060 65884 79631 82355 159262 164710 318524 329420 398155 557417 796310 1035203 1114834 1592620 2070406 2229668 2787085 4140812 5176015 5574170 7246421 10352030 11148340 14413211 14492842 20704060 28826422 28985684 36232105 57652844 72066055 72464210 100892477 144132110 144928420 187371743 201784954 288264220 374743486 403569908 504462385 749486972 936858715 1008924770 1311602201 1873717430 2017849540 2623204402 3747434860 5246408804 6558011005 13116022010 26232044020