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26028240500 = 225352056481
BaseRepresentation
bin11000001111011001…
…110110111001110100
32111011221201121121102
4120033121312321310
5411301212144000
615542431305232
71611001252043
oct301731667164
974157647542
1026028240500
1110047299369
12506497b218
1325ba580852
14138cb6655a
15a250d13d5
hex60f676e74

26028240500 has 24 divisors (see below), whose sum is σ = 56845678344. Its totient is φ = 10411296000.

The previous prime is 26028240499. The next prime is 26028240523. The reversal of 26028240500 is 504282062.

It can be written as a sum of positive squares in 4 ways, for example, as 812706064 + 25215534436 = 28508^2 + 158794^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26027741 + ... + 26028740.

It is an arithmetic number, because the mean of its divisors is an integer number (2368569931).

Almost surely, 226028240500 is an apocalyptic number.

26028240500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26028240500 is an abundant number, since it is smaller than the sum of its proper divisors (30817437844).

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

26028240500 is a wasteful number, since it uses less digits than its factorization.

26028240500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52056500 (or 52056488 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 26028240500 in words is "twenty-six billion, twenty-eight million, two hundred forty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 52056481 104112962 208225924 260282405 520564810 1041129620 1301412025 2602824050 5205648100 6507060125 13014120250 26028240500