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26472421220 = 2257496738069
BaseRepresentation
bin11000101001111000…
…010001011101100100
32112022220112100000012
4120221320101131210
5413203414434340
620054455505352
71625003603420
oct305170213544
975286470005
1026472421220
1110254a9a973
125169688258
13265b5c088b
1413d1b4bb80
15a4e0c0565
hex629e11764

26472421220 has 48 divisors (see below), whose sum is σ = 63548271360. Its totient is φ = 9074193024.

The previous prime is 26472421193. The next prime is 26472421231. The reversal of 26472421220 is 2212427462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676346 + ... + 714414.

It is an arithmetic number, because the mean of its divisors is an integer number (1323922320).

Almost surely, 226472421220 is an apocalyptic number.

26472421220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26472421220 is an abundant number, since it is smaller than the sum of its proper divisors (37075850140).

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

26472421220 is a wasteful number, since it uses less digits than its factorization.

26472421220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43052 (or 43050 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 26472421220 its reverse (2212427462), we get a palindrome (28684848682).

It can be divided in two parts, 2647242 and 1220, that added together give a palindrome (2648462).

The spelling of 26472421220 in words is "twenty-six billion, four hundred seventy-two million, four hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 4967 9934 19868 24835 34769 38069 49670 69538 76138 99340 139076 152276 173845 190345 266483 347690 380690 532966 695380 761380 1065932 1332415 2664830 5329660 189088723 378177446 756354892 945443615 1323621061 1890887230 2647242122 3781774460 5294484244 6618105305 13236210610 26472421220