Base | Representation |
---|---|
bin | 11001001000000001… |
… | …011010010000011111 |
3 | 2120122011010011011222 |
4 | 121020001122100133 |
5 | 420222400224043 |
6 | 20221003003555 |
7 | 1643354230022 |
oct | 311001322037 |
9 | 76564104158 |
10 | 26978133023 |
11 | 104944a8706 |
12 | 528ab095bb |
13 | 270c2c572a |
14 | 143cd8d1b9 |
15 | a7d6b5d68 |
hex | 64805a41f |
26978133023 has 8 divisors (see below), whose sum is σ = 27217405488. Its totient is φ = 26739474624.
The previous prime is 26978132977. The next prime is 26978133029. The reversal of 26978133023 is 32033187962.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 26978133023 - 220 = 26977084447 is a prime.
It is a super-2 number, since 2×269781330232 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26978133029) 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, 65036 + ... + 241217.
It is an arithmetic number, because the mean of its divisors is an integer number (3402175686).
Almost surely, 226978133023 is an apocalyptic number.
26978133023 is a deficient number, since it is larger than the sum of its proper divisors (239272465).
26978133023 is a wasteful number, since it uses less digits than its factorization.
26978133023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307033.
The product of its (nonzero) digits is 326592, while the sum is 44.
The spelling of 26978133023 in words is "twenty-six billion, nine hundred seventy-eight million, one hundred thirty-three thousand, twenty-three".
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