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26305890047 is a prime number
BaseRepresentation
bin11000011111111101…
…000000011011111111
32111220022011200011222
4120133331000123333
5412333301440142
620030150303555
71620612242663
oct303775003377
974808150158
1026305890047
1110179a975a8
125121957bbb
132632c54418
1413b799c8a3
15a3e677bd2
hex61ff406ff

26305890047 has 2 divisors, whose sum is σ = 26305890048. Its totient is φ = 26305890046.

The previous prime is 26305890041. The next prime is 26305890101. The reversal of 26305890047 is 74009850362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26305890047 - 216 = 26305824511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26305890041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13152945023 + 13152945024.

It is an arithmetic number, because the mean of its divisors is an integer number (13152945024).

Almost surely, 226305890047 is an apocalyptic number.

26305890047 is a deficient number, since it is larger than the sum of its proper divisors (1).

26305890047 is an equidigital number, since it uses as much as digits as its factorization.

26305890047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 26305890047 in words is "twenty-six billion, three hundred five million, eight hundred ninety thousand, forty-seven".