Base | Representation |
---|---|
bin | 1100110010011101100101… |
… | …10111111010100010010001 |
3 | 10200120110012010011210211121 |
4 | 12121032302313322202101 |
5 | 12141223131340422131 |
6 | 135451045505042241 |
7 | 5631521065663420 |
oct | 631166267724221 |
9 | 120513163153747 |
10 | 28122151889041 |
11 | 8a625a0664491 |
12 | 31a2317926381 |
13 | 128cba4b4a282 |
14 | 6d31959592b7 |
15 | 33b7c5b68911 |
hex | 1993b2dfa891 |
28122151889041 has 8 divisors (see below), whose sum is σ = 32141501012480. Its totient is φ = 24103277479008.
The previous prime is 28122151888979. The next prime is 28122151889087. The reversal of 28122151889041 is 14098815122182.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-28122151889041 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 28122151889041.
It is not an unprimeable number, because it can be changed into a prime (28122151889341) 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, 118551396 + ... + 118788373.
It is an arithmetic number, because the mean of its divisors is an integer number (4017687626560).
Almost surely, 228122151889041 is an apocalyptic number.
It is an amenable number.
28122151889041 is a deficient number, since it is larger than the sum of its proper divisors (4019349123439).
28122151889041 is a wasteful number, since it uses less digits than its factorization.
28122151889041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237356703.
The product of its (nonzero) digits is 737280, while the sum is 52.
The spelling of 28122151889041 in words is "twenty-eight trillion, one hundred twenty-two billion, one hundred fifty-one million, eight hundred eighty-nine thousand, forty-one".
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