Search a number
-
+
26231512604 = 221123711812017
BaseRepresentation
bin11000011011100001…
…010001111000011100
32111201010012220111212
4120123201101320130
5412210231400404
620014532203552
71616020115063
oct303341217034
974633186455
1026231512604
1110141006740
125100a695b8
1326207122bb
1413abb5b1da
15a37d8506e
hex61b851e1c

26231512604 has 96 divisors (see below), whose sum is σ = 53310845952. Its totient is φ = 11176704000.

The previous prime is 26231512553. The next prime is 26231512607. The reversal of 26231512604 is 40621513262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26231512607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13004204 + ... + 13006220.

It is an arithmetic number, because the mean of its divisors is an integer number (555321312).

Almost surely, 226231512604 is an apocalyptic number.

It is an amenable number.

26231512604 is an abundant number, since it is smaller than the sum of its proper divisors (27079333348).

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

26231512604 is a wasteful number, since it uses less digits than its factorization.

26231512604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

It can be divided in two parts, 26231 and 512604, that added together give a palindrome (538835).

The spelling of 26231512604 in words is "twenty-six billion, two hundred thirty-one million, five hundred twelve thousand, six hundred four".

Divisors: 1 2 4 11 22 23 44 46 71 92 142 181 253 284 362 506 724 781 1012 1562 1633 1991 2017 3124 3266 3982 4034 4163 6532 7964 8068 8326 12851 16652 17963 22187 25702 35926 44374 45793 46391 51404 71852 88748 91586 92782 141361 143207 183172 185564 282722 286414 295573 365077 510301 565444 572828 591146 730154 1020602 1182292 1460308 1575277 2041204 3150554 3251303 3293761 4015847 6301108 6502606 6587522 8031694 8396771 13005212 13175044 16063388 16793542 25920467 33587084 36231371 51840934 72462742 92364481 103681868 144925484 184728962 285125137 369457924 570250274 596170741 1140500548 1192341482 2384682964 6557878151 13115756302 26231512604