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26212256648 = 23572412
BaseRepresentation
bin11000011010010111…
…110100101110001000
32111122202222121022022
4120122113310232020
5412140314203043
620013003344012
71615364335214
oct303227645610
974582877268
1026212256648
1110131154426
1250b6522008
13261972c746
1413a9387944
15a3632e868
hex61a5f4b88

26212256648 has 12 divisors (see below), whose sum is σ = 49148839845. Its totient is φ = 13105899360.

The previous prime is 26212256641. The next prime is 26212256663. The reversal of 26212256648 is 84665221262.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 23710456324 + 2501800324 = 153982^2 + 50018^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=114482.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26212256599 and 26212256608.

It is not an unprimeable number, because it can be changed into a prime (26212256641) 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 2 ways as a sum of consecutive naturals, for example, 429308 + ... + 486548.

Almost surely, 226212256648 is an apocalyptic number.

It is an amenable number.

26212256648 is a deficient number, since it is larger than the sum of its proper divisors (22936583197).

26212256648 is an frugal number, since it uses more digits than its factorization.

26212256648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114488 (or 57243 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The spelling of 26212256648 in words is "twenty-six billion, two hundred twelve million, two hundred fifty-six thousand, six hundred forty-eight".

Divisors: 1 2 4 8 57241 114482 228964 457928 3276532081 6553064162 13106128324 26212256648