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2688045105 = 35179203007
BaseRepresentation
bin1010000000111000…
…0101000000110001
320221100000211200010
42200032011000301
521001114420410
61122422045133
7123420002124
oct24016050061
96840024603
102688045105
11115a371089
126302797a9
1333ab8c145
141b70003bb
1510aec2c20
hexa0385031

2688045105 has 8 divisors (see below), whose sum is σ = 4300872192. Its totient is φ = 1433624048.

The previous prime is 2688045097. The next prime is 2688045127. The reversal of 2688045105 is 5015408862.

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

It is a cyclic number.

It is not a de Polignac number, because 2688045105 - 23 = 2688045097 is a prime.

It is a super-2 number, since 2×26880451052 = 14451172973028922050, which contains 22 as substring.

It is a Curzon 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, 89601489 + ... + 89601518.

It is an arithmetic number, because the mean of its divisors is an integer number (537609024).

Almost surely, 22688045105 is an apocalyptic number.

It is an amenable number.

2688045105 is a deficient number, since it is larger than the sum of its proper divisors (1612827087).

2688045105 is a wasteful number, since it uses less digits than its factorization.

2688045105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179203015.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 2688045105 is about 51846.3605762256. The cubic root of 2688045105 is about 1390.4184350034.

The spelling of 2688045105 in words is "two billion, six hundred eighty-eight million, forty-five thousand, one hundred five".

Divisors: 1 3 5 15 179203007 537609021 896015035 2688045105