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128023373386 = 26113712236263
BaseRepresentation
bin111011100111011001…
…0011010011001001010
3110020110011120012122201
41313032302122121022
54044142440422021
6134451345110414
712151352501356
oct1671662323112
9406404505581
10128023373386
114a326947317
122098a92840a
13c0c352219c
1462a6b76466
1534e456b591
hex1dcec9a64a

128023373386 has 32 divisors (see below), whose sum is σ = 196800046848. Its totient is φ = 62441658240.

The previous prime is 128023373363. The next prime is 128023373389. The reversal of 128023373386 is 683373320821.

It is not an unprimeable number, because it can be changed into a prime (128023373389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20438091 + ... + 20444353.

It is an arithmetic number, because the mean of its divisors is an integer number (6150001464).

Almost surely, 2128023373386 is an apocalyptic number.

128023373386 is a deficient number, since it is larger than the sum of its proper divisors (68776673462).

128023373386 is a wasteful number, since it uses less digits than its factorization.

128023373386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7686.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 128023373386 in words is "one hundred twenty-eight billion, twenty-three million, three hundred seventy-three thousand, three hundred eighty-six".

Divisors: 1 2 61 122 137 274 1223 2446 6263 8357 12526 16714 74603 149206 167551 335102 382043 764086 858031 1716062 7659649 10220611 15319298 20441222 52339891 104679782 467238589 934477178 1049371913 2098743826 64011686693 128023373386