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128134002218 = 2311827249097
BaseRepresentation
bin111011101010101100…
…0011011011000101010
3110020201212201201212212
41313111120123120222
54044404301032333
6134510340205122
712154165022405
oct1672530333052
9406655651785
10128134002218
114a383338402
12209bb9997a2
13c110417831
1462b7732d3c
1534ee120448
hex1dd561b62a

128134002218 has 16 divisors (see below), whose sum is σ = 193052942784. Its totient is φ = 63783521760.

The previous prime is 128134002203. The next prime is 128134002229. The reversal of 128134002218 is 812200431821.

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, 389846 + ... + 638942.

It is an arithmetic number, because the mean of its divisors is an integer number (12065808924).

Almost surely, 2128134002218 is an apocalyptic number.

128134002218 is a deficient number, since it is larger than the sum of its proper divisors (64918940566).

128134002218 is a wasteful number, since it uses less digits than its factorization.

128134002218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250237.

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 128134002218 in words is "one hundred twenty-eight billion, one hundred thirty-four million, two thousand, two hundred eighteen".

Divisors: 1 2 311 622 827 1654 249097 257197 498194 514394 77469167 154938334 206003219 412006438 64067001109 128134002218