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26325055780 = 2253174152217
BaseRepresentation
bin11000100001000110…
…000111100100100100
32111221122020101121221
4120201012013210210
5412403203241110
620032113150124
71621234165522
oct304106074444
974848211557
1026325055780
1110189898051
12512825b344
132636c04baa
1413ba34b312
15a411b17da
hex621187924

26325055780 has 24 divisors (see below), whose sum is σ = 55457023608. Its totient is φ = 10496802048.

The previous prime is 26325055753. The next prime is 26325055787. The reversal of 26325055780 is 8755052362.

It can be written as a sum of positive squares in 4 ways, for example, as 1952225856 + 24372829924 = 44184^2 + 156118^2 .

It is a super-2 number, since 2×263250557802 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26325055787) 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 7 ways as a sum of consecutive naturals, for example, 2069769 + ... + 2082448.

It is an arithmetic number, because the mean of its divisors is an integer number (2310709317).

Almost surely, 226325055780 is an apocalyptic number.

26325055780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26325055780 is an abundant number, since it is smaller than the sum of its proper divisors (29131967828).

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

26325055780 is a wasteful number, since it uses less digits than its factorization.

26325055780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152543 (or 4152541 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 26325055780 in words is "twenty-six billion, three hundred twenty-five million, fifty-five thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 317 634 1268 1585 3170 6340 4152217 8304434 16608868 20761085 41522170 83044340 1316252789 2632505578 5265011156 6581263945 13162527890 26325055780