Base | Representation |
---|---|
bin | 1110011100001001111… |
… | …1111001101110011001 |
3 | 212201022212021200120112 |
4 | 3213002133321232121 |
5 | 13031030011404211 |
6 | 305544211334105 |
7 | 23631363401540 |
oct | 3470237715631 |
9 | 781285250515 |
10 | 248076278681 |
11 | 96232656a20 |
12 | 400b42b1335 |
13 | 1a51667115a |
14 | c015131157 |
15 | 66bdec288b |
hex | 39c27f9b99 |
248076278681 has 16 divisors (see below), whose sum is σ = 311650910208. Its totient is φ = 191830563600.
The previous prime is 248076278633. The next prime is 248076278707. The reversal of 248076278681 is 186872670842.
It is a cyclic number.
It is not a de Polignac number, because 248076278681 - 218 = 248076016537 is a prime.
It is a super-2 number, since 2×2480762786812 (a number of 24 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 248076278681.
It is not an unprimeable number, because it can be changed into a prime (248076277681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12286745 + ... + 12306918.
It is an arithmetic number, because the mean of its divisors is an integer number (19478181888).
Almost surely, 2248076278681 is an apocalyptic number.
It is an amenable number.
248076278681 is a deficient number, since it is larger than the sum of its proper divisors (63574631527).
248076278681 is a wasteful number, since it uses less digits than its factorization.
248076278681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24593812.
The product of its (nonzero) digits is 14450688, while the sum is 59.
The spelling of 248076278681 in words is "two hundred forty-eight billion, seventy-six million, two hundred seventy-eight thousand, six hundred eighty-one".
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