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11116788890 = 251111678889
BaseRepresentation
bin10100101101001110…
…01011110010011010
31001200202012101110212
422112213023302122
5140231344221030
65035035211122
7542325101144
oct122647136232
931622171425
1011116788890
114795157039
1221a2ba6aa2
131082198abc
147765d1c94
15450e5d595
hex2969cbc9a

11116788890 has 8 divisors (see below), whose sum is σ = 20010220020. Its totient is φ = 4446715552.

The previous prime is 11116788877. The next prime is 11116788911. The reversal of 11116788890 is 9888761111.

It is a happy number.

11116788890 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9308583361 + 1808205529 = 96481^2 + 42523^2 .

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

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, 555839435 + ... + 555839454.

Almost surely, 211116788890 is an apocalyptic number.

11116788890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11116788890 is a deficient number, since it is larger than the sum of its proper divisors (8893431130).

11116788890 is a wasteful number, since it uses less digits than its factorization.

11116788890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111678896.

The product of its (nonzero) digits is 193536, while the sum is 50.

The spelling of 11116788890 in words is "eleven billion, one hundred sixteen million, seven hundred eighty-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 1111678889 2223357778 5558394445 11116788890