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12128834103 = 331130417571
BaseRepresentation
bin10110100101110111…
…10101001000110111
31011022021112121111220
423102323311020313
5144314440142403
65323311001423
7606364250241
oct132273651067
934267477456
1012128834103
115164457641
122425b09273
1311b3a62719
14830b97091
154aec1d953
hex2d2ef5237

12128834103 has 8 divisors (see below), whose sum is σ = 16693449216. Its totient is φ = 7825054200.

The previous prime is 12128834077. The next prime is 12128834117. The reversal of 12128834103 is 30143882121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12128834103 - 216 = 12128768567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12128834153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65208693 + ... + 65208878.

It is an arithmetic number, because the mean of its divisors is an integer number (2086681152).

Almost surely, 212128834103 is an apocalyptic number.

12128834103 is a deficient number, since it is larger than the sum of its proper divisors (4564615113).

12128834103 is a wasteful number, since it uses less digits than its factorization.

12128834103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130417605.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 12128834103 in words is "twelve billion, one hundred twenty-eight million, eight hundred thirty-four thousand, one hundred three".

Divisors: 1 3 31 93 130417571 391252713 4042944701 12128834103