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2668110158406 = 2371131534198389
BaseRepresentation
bin100110110100110111110…
…000100001101001000110
3100110001212011222110000210
4212310313300201221012
5322203242200032111
65401413552220250
7363523154102340
oct46646760415106
910401764873023
102668110158406
119395a26994a0
1237112083a686
131647a8c51354
14931cc768290
154960c5a80a6
hex26d37c21a46

2668110158406 has 256 divisors, whose sum is σ = 7014673612800. Its totient is φ = 656357644800.

The previous prime is 2668110158387. The next prime is 2668110158473. The reversal of 2668110158406 is 6048510118662.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 318044460 + ... + 318052848.

It is an arithmetic number, because the mean of its divisors is an integer number (27401068800).

Almost surely, 22668110158406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2668110158406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3507336806400).

2668110158406 is an abundant number, since it is smaller than the sum of its proper divisors (4346563454394).

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

2668110158406 is a wasteful number, since it uses less digits than its factorization.

2668110158406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915.

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 2668110158406 in words is "two trillion, six hundred sixty-eight billion, one hundred ten million, one hundred fifty-eight thousand, four hundred six".