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26105363641 = 761109560887
BaseRepresentation
bin11000010100000000…
…000011110010111001
32111101022211212200001
4120110000003302321
5411430433114031
615554224313001
71612625633620
oct302400036271
974338755601
1026105363641
11100868850a5
125086772761
132600544646
1413990c06b7
15a2bc67861
hex614003cb9

26105363641 has 16 divisors (see below), whose sum is σ = 30602049280. Its totient is φ = 21807247680.

The previous prime is 26105363629. The next prime is 26105363663. The reversal of 26105363641 is 14636350162.

It is a cyclic number.

It is not a de Polignac number, because 26105363641 - 29 = 26105363129 is a prime.

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 26105363641.

It is not an unprimeable number, because it can be changed into a prime (26105364641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233901 + ... + 326986.

It is an arithmetic number, because the mean of its divisors is an integer number (1912628080).

Almost surely, 226105363641 is an apocalyptic number.

It is an amenable number.

26105363641 is a deficient number, since it is larger than the sum of its proper divisors (4496685639).

26105363641 is a wasteful number, since it uses less digits than its factorization.

26105363641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561064.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 26105363641 in words is "twenty-six billion, one hundred five million, three hundred sixty-three thousand, six hundred forty-one".

Divisors: 1 7 61 109 427 763 6649 46543 560887 3926209 34214107 61136683 239498749 427956781 3729337663 26105363641