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26824871089 = 23271212
BaseRepresentation
bin11000111110111000…
…110000110010110001
32120020110201122100001
4120332320300302301
5414414131333324
620153450030001
71636513433152
oct307670606261
976213648301
1026824871089
1110415a38755
125247718301
1326b6623bb3
141426895929
15a6eedee44
hex63ee30cb1

26824871089 has 9 divisors (see below), whose sum is σ = 28045816939. Its totient is φ = 25654969120.

The previous prime is 26824871069. The next prime is 26824871093. The reversal of 26824871089 is 98017842862.

It is a happy number.

The square root of 26824871089 is 163783.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 606784689 + 26218086400 = 24633^2 + 161920^2 .

It is not a de Polignac number, because 26824871089 - 25 = 26824871057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26824871069) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3763449 + ... + 3770569.

Almost surely, 226824871089 is an apocalyptic number.

26824871089 is the 163783-rd square number.

26824871089 is the 81892-nd centered octagonal number.

It is an amenable number.

26824871089 is a deficient number, since it is larger than the sum of its proper divisors (1220945850).

26824871089 is an frugal number, since it uses more digits than its factorization.

26824871089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288 (or 7144 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 26824871089 in words is "twenty-six billion, eight hundred twenty-four million, eight hundred seventy-one thousand, eighty-nine".

Divisors: 1 23 529 7121 163783 3767009 50708641 1166298743 26824871089