Search a number
-
+
26713060020 = 223251204312323
BaseRepresentation
bin11000111000001110…
…001111001010110100
32112221200100001101100
4120320032033022310
5414202020410040
620134413330100
71633655156313
oct307016171264
975850301340
1026713060020
111036890a409
125216196930
1326994063ba
141415aac27a
15a652a5b30
hex63838f2b4

26713060020 has 72 divisors (see below), whose sum is σ = 81042919776. Its totient is φ = 7122313152.

The previous prime is 26713060001. The next prime is 26713060021. The reversal of 26713060020 is 2006031762.

It is a happy number.

26713060020 is a `hidden beast` number, since 2 + 6 + 7 + 1 + 30 + 600 + 20 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26713060021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2161579 + ... + 2173901.

It is an arithmetic number, because the mean of its divisors is an integer number (1125596108).

Almost surely, 226713060020 is an apocalyptic number.

26713060020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26713060020 is an abundant number, since it is smaller than the sum of its proper divisors (54329859756).

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

26713060020 is a wasteful number, since it uses less digits than its factorization.

26713060020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24381 (or 24376 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

Adding to 26713060020 its reverse (2006031762), we get a palindrome (28719091782).

The spelling of 26713060020 in words is "twenty-six billion, seven hundred thirteen million, sixty thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 12043 12323 24086 24646 36129 36969 48172 49292 60215 61615 72258 73938 108387 110907 120430 123230 144516 147876 180645 184845 216774 221814 240860 246460 361290 369690 433548 443628 541935 554535 722580 739380 1083870 1109070 2167740 2218140 148405889 296811778 445217667 593623556 742029445 890435334 1335653001 1484058890 1780870668 2226088335 2671306002 2968117780 4452176670 5342612004 6678265005 8904353340 13356530010 26713060020