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26927149138 = 2167154352249
BaseRepresentation
bin11001000100111110…
…111011000001010010
32120111121011220102221
4121010332323001102
5420121322233023
620211542131254
71642164663661
oct310476730122
976447156387
1026927149138
111046874576a
125275a20b2a
132701884556
1414362badd8
15a78e9485d
hex644fbb052

26927149138 has 16 divisors (see below), whose sum is σ = 40659696000. Its totient is φ = 13374025056.

The previous prime is 26927149129. The next prime is 26927149157. The reversal of 26927149138 is 83194172962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489238 + ... + 541486.

It is an arithmetic number, because the mean of its divisors is an integer number (2541231000).

Almost surely, 226927149138 is an apocalyptic number.

26927149138 is a deficient number, since it is larger than the sum of its proper divisors (13732546862).

26927149138 is a wasteful number, since it uses less digits than its factorization.

26927149138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53961.

The product of its digits is 1306368, while the sum is 52.

The spelling of 26927149138 in words is "twenty-six billion, nine hundred twenty-seven million, one hundred forty-nine thousand, one hundred thirty-eight".

Divisors: 1 2 167 334 1543 3086 52249 104498 257681 515362 8725583 17451166 80620207 161240414 13463574569 26927149138