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10826169890 = 251082616989
BaseRepresentation
bin10100001010100101…
…00011111000100010
31000221111100102011012
422011102203320202
5134132444414030
64550134220522
7532165632344
oct120522437042
930844312135
1010826169890
1146560aa748
1221217b4742
131036c03bb3
14749b81294
154356a4095
hex2854a3e22

10826169890 has 8 divisors (see below), whose sum is σ = 19487105820. Its totient is φ = 4330467952.

The previous prime is 10826169889. The next prime is 10826169953. The reversal of 10826169890 is 9896162801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10106481961 + 719687929 = 100531^2 + 26827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×108261698904 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541308485 + ... + 541308504.

Almost surely, 210826169890 is an apocalyptic number.

10826169890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10826169890 is a deficient number, since it is larger than the sum of its proper divisors (8660935930).

10826169890 is a wasteful number, since it uses less digits than its factorization.

10826169890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082616996.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 10826169890 in words is "ten billion, eight hundred twenty-six million, one hundred sixty-nine thousand, eight hundred ninety".

Divisors: 1 2 5 10 1082616989 2165233978 5413084945 10826169890