Base | Representation |
---|---|
bin | 111100000001100011… |
… | …1100100001101001101 |
3 | 110022201100121012222110 |
4 | 1320003013210031031 |
5 | 4102442220140322 |
6 | 135114430534233 |
7 | 12212203155003 |
oct | 1700307441515 |
9 | 408640535873 |
10 | 128901333837 |
11 | 4a737495a71 |
12 | 20b94967379 |
13 | c2033a0003 |
14 | 634b5d6a73 |
15 | 3546692c0c |
hex | 1e031e434d |
128901333837 has 32 divisors (see below), whose sum is σ = 183254814720. Its totient is φ = 80405990720.
The previous prime is 128901333809. The next prime is 128901333857. The reversal of 128901333837 is 738333109821.
It is not a de Polignac number, because 128901333837 - 28 = 128901333581 is a prime.
It is a super-2 number, since 2×1289013338372 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128901333857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6700162 + ... + 6719372.
It is an arithmetic number, because the mean of its divisors is an integer number (5726712960).
Almost surely, 2128901333837 is an apocalyptic number.
It is an amenable number.
128901333837 is a deficient number, since it is larger than the sum of its proper divisors (54353480883).
128901333837 is a wasteful number, since it uses less digits than its factorization.
128901333837 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21353.
The product of its (nonzero) digits is 653184, while the sum is 48.
The spelling of 128901333837 in words is "one hundred twenty-eight billion, nine hundred one million, three hundred thirty-three thousand, eight hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •