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26020468820 = 22536710513373
BaseRepresentation
bin11000001110111100…
…001101100001010100
32111011102002202212102
4120032330031201110
5411242220000240
615541552541232
71610545223063
oct301674154124
974142082772
1026020468820
1110042970395
125062251818
1325b8a8c318
14138bb021da
15a24598815
hex60ef0d854

26020468820 has 48 divisors (see below), whose sum is σ = 54860268288. Its totient is φ = 10366876800.

The previous prime is 26020468819. The next prime is 26020468847. The reversal of 26020468820 is 2886402062.

It is a super-2 number, since 2×260204688202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7712654 + ... + 7716026.

It is an arithmetic number, because the mean of its divisors is an integer number (1142922256).

Almost surely, 226020468820 is an apocalyptic number.

26020468820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26020468820 is an abundant number, since it is smaller than the sum of its proper divisors (28839799468).

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

26020468820 is a wasteful number, since it uses less digits than its factorization.

26020468820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800 (or 4798 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 26020468820 in words is "twenty-six billion, twenty million, four hundred sixty-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 367 734 1051 1468 1835 2102 3373 3670 4204 5255 6746 7340 10510 13492 16865 21020 33730 67460 385717 771434 1237891 1542868 1928585 2475782 3545023 3857170 4951564 6189455 7090046 7714340 12378910 14180092 17725115 24757820 35450230 70900460 1301023441 2602046882 5204093764 6505117205 13010234410 26020468820