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12389096555 = 5111971143433
BaseRepresentation
bin10111000100111001…
…01001110001101011
31011222102021022110222
423202130221301223
5200333102042210
65405205200255
7616004404013
oct134234516153
934872238428
1012389096555
11528835a680
12249910008b
131225959284
14857584c43
154c79cd655
hex2e2729c6b

12389096555 has 16 divisors (see below), whose sum is σ = 16300795104. Its totient is φ = 8964506880.

The previous prime is 12389096521. The next prime is 12389096557. The reversal of 12389096555 is 55569098321.

It is not a de Polignac number, because 12389096555 - 26 = 12389096491 is a prime.

It is a super-2 number, since 2×123890965552 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12389096497 and 12389096506.

It is not an unprimeable number, because it can be changed into a prime (12389096557) 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, 560882 + ... + 582551.

It is an arithmetic number, because the mean of its divisors is an integer number (1018799694).

Almost surely, 212389096555 is an apocalyptic number.

12389096555 is a deficient number, since it is larger than the sum of its proper divisors (3911698549).

12389096555 is a wasteful number, since it uses less digits than its factorization.

12389096555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143646.

The product of its (nonzero) digits is 2916000, while the sum is 53.

The spelling of 12389096555 in words is "twelve billion, three hundred eighty-nine million, ninety-six thousand, five hundred fifty-five".

Divisors: 1 5 11 55 197 985 2167 10835 1143433 5717165 12577763 62888815 225256301 1126281505 2477819311 12389096555