Base | Representation |
---|---|
bin | 1100101111001000000010… |
… | …01001011010010001011101 |
3 | 10200011111020220021020111210 |
4 | 12113210001021122101131 |
5 | 12132333330222400331 |
6 | 135322245054135033 |
7 | 5620321661232330 |
oct | 627440111322135 |
9 | 120144226236453 |
10 | 28007500981341 |
11 | 8a18a07171602 |
12 | 318405b4b1479 |
13 | 1282132c1a79b |
14 | 6cb7dabc6617 |
15 | 3388155c4446 |
hex | 19790125a45d |
28007500981341 has 16 divisors (see below), whose sum is σ = 42678175939200. Its totient is φ = 16004256572928.
The previous prime is 28007500981309. The next prime is 28007500981349. The reversal of 28007500981341 is 14318900570082.
It is not a de Polignac number, because 28007500981341 - 25 = 28007500981309 is a prime.
It is a super-4 number, since 4×280075009813414 (a number of 55 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28007500981349) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15805225 + ... + 17487713.
It is an arithmetic number, because the mean of its divisors is an integer number (2667385996200).
Almost surely, 228007500981341 is an apocalyptic number.
28007500981341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
28007500981341 is a deficient number, since it is larger than the sum of its proper divisors (14670674957859).
28007500981341 is a wasteful number, since it uses less digits than its factorization.
28007500981341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2475188.
The product of its (nonzero) digits is 483840, while the sum is 48.
The spelling of 28007500981341 in words is "twenty-eight trillion, seven billion, five hundred million, nine hundred eighty-one thousand, three hundred forty-one".
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