Base | Representation |
---|---|
bin | 111100000001100110… |
… | …0110000001001101010 |
3 | 110022201110011022001200 |
4 | 1320003030300021222 |
5 | 4102443042142412 |
6 | 135114520025030 |
7 | 12212220546663 |
oct | 1700314601152 |
9 | 408643138050 |
10 | 128902693482 |
11 | 4a738234542 |
12 | 20b95302176 |
13 | c203757b34 |
14 | 634b86c36a |
15 | 35468609dc |
hex | 1e0333026a |
128902693482 has 48 divisors (see below), whose sum is σ = 292705021440. Its totient is φ = 40919906016.
The previous prime is 128902693411. The next prime is 128902693487. The reversal of 128902693482 is 284396209821.
128902693482 is a `hidden beast` number, since 12 + 8 + 90 + 2 + 69 + 3 + 482 = 666.
It is not an unprimeable number, because it can be changed into a prime (128902693487) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 585018 + ... + 774629.
It is an arithmetic number, because the mean of its divisors is an integer number (6098021280).
Almost surely, 2128902693482 is an apocalyptic number.
128902693482 is an abundant number, since it is smaller than the sum of its proper divisors (163802327958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128902693482 is a wasteful number, since it uses less digits than its factorization.
128902693482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1359907 (or 1359904 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 54.
The spelling of 128902693482 in words is "one hundred twenty-eight billion, nine hundred two million, six hundred ninety-three thousand, four hundred eighty-two".
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