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26842668008 = 23131217212081
BaseRepresentation
bin11000111111111100…
…101001101111101000
32120021201012211010012
4120333330221233220
5414433210334013
620155323311052
71640120625212
oct307774515750
976251184105
1026842668008
1110424a93852
12525167b488
1326ba215610
141428da95b2
15a718581a8
hex63ff29be8

26842668008 has 32 divisors (see below), whose sum is σ = 54246333960. Its totient is φ = 12378685440.

The previous prime is 26842668001. The next prime is 26842668043. The reversal of 26842668008 is 80086624862.

It can be written as a sum of positive squares in 4 ways, for example, as 6989294404 + 19853373604 = 83602^2 + 140902^2 .

It is not an unprimeable number, because it can be changed into a prime (26842668001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20528 + ... + 232608.

Almost surely, 226842668008 is an apocalyptic number.

It is an amenable number.

26842668008 is an abundant number, since it is smaller than the sum of its proper divisors (27403665952).

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

26842668008 is a wasteful number, since it uses less digits than its factorization.

26842668008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213317 (or 213313 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 26842668008 in words is "twenty-six billion, eight hundred forty-two million, six hundred sixty-eight thousand, eight".

Divisors: 1 2 4 8 13 26 52 104 1217 2434 4868 9736 15821 31642 63284 126568 212081 424162 848324 1696648 2757053 5514106 11028212 22056424 258102577 516205154 1032410308 2064820616 3355333501 6710667002 13421334004 26842668008