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26630304481 = 1124771101653
BaseRepresentation
bin11000110011010010…
…100011001011100001
32112201220121122010101
4120303102203023201
5414014324220411
620122255502401
71631631565444
oct306322431341
975656548111
1026630304481
1110326126a00
1251b2527a01
13268521ca21
141408ac965b
15a5cdaa8c1
hex6334a32e1

26630304481 has 48 divisors (see below), whose sum is σ = 30662198784. Its totient is φ = 23093840000.

The previous prime is 26630304479. The next prime is 26630304523. The reversal of 26630304481 is 18440303662.

It is not a de Polignac number, because 26630304481 - 21 = 26630304479 is a prime.

It is a super-2 number, since 2×266303044812 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26630304481.

It is not an unprimeable number, because it can be changed into a prime (26630304451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40781151 + ... + 40781803.

It is an arithmetic number, because the mean of its divisors is an integer number (638795808).

Almost surely, 226630304481 is an apocalyptic number.

It is an amenable number.

26630304481 is a deficient number, since it is larger than the sum of its proper divisors (4031894303).

26630304481 is a wasteful number, since it uses less digits than its factorization.

26630304481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 26630304481 in words is "twenty-six billion, six hundred thirty million, three hundred four thousand, four hundred eighty-one".

Divisors: 1 11 47 71 101 121 517 653 781 1111 3337 4747 5687 7171 7183 8591 12221 30691 36707 46363 52217 65953 78881 79013 337037 337601 403777 509993 574387 725483 867691 2179061 3099791 3707407 3713611 4682663 5609923 7980313 23969671 34097701 40781477 51509293 220085161 263666381 375074711 566602223 2420936771 26630304481