Base | Representation |
---|---|
bin | 111011101101111110… |
… | …0001001001101001010 |
3 | 110021000112202122012111 |
4 | 1313123330021031022 |
5 | 4100120432400414 |
6 | 134525310332534 |
7 | 12160002153100 |
oct | 1673374111512 |
9 | 407015678174 |
10 | 128244028234 |
11 | 4a42a4575a3 |
12 | 20a307ba14a |
13 | c12a15b99a |
14 | 62c81b3c70 |
15 | 3508b058c4 |
hex | 1ddbf0934a |
128244028234 has 12 divisors (see below), whose sum is σ = 223772743314. Its totient is φ = 54961726344.
The previous prime is 128244028169. The next prime is 128244028261. The reversal of 128244028234 is 432820442821.
It can be written as a sum of positive squares in only one way, i.e., 93664766209 + 34579262025 = 306047^2 + 185955^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 654306169 + ... + 654306364.
Almost surely, 2128244028234 is an apocalyptic number.
128244028234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
128244028234 is a deficient number, since it is larger than the sum of its proper divisors (95528715080).
128244028234 is a wasteful number, since it uses less digits than its factorization.
128244028234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1308612549 (or 1308612542 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 40.
The spelling of 128244028234 in words is "one hundred twenty-eight billion, two hundred forty-four million, twenty-eight thousand, two hundred thirty-four".
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