Base | Representation |
---|---|
bin | 1110011100010110010… |
… | …0110110110100000001 |
3 | 212201110110102210020001 |
4 | 3213011210312310001 |
5 | 13031131221042441 |
6 | 305553254120001 |
7 | 23632561266601 |
oct | 3470544666401 |
9 | 781413383201 |
10 | 248127909121 |
11 | 96259810704 |
12 | 40109650001 |
13 | 1a52427a701 |
14 | c01bd30c01 |
15 | 66c37c0731 |
hex | 39c5936d01 |
248127909121 has 16 divisors (see below), whose sum is σ = 250472476800. Its totient is φ = 245795026048.
The previous prime is 248127909059. The next prime is 248127909151. The reversal of 248127909121 is 121909721842.
It is a cyclic number.
It is not a de Polignac number, because 248127909121 - 27 = 248127908993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (248127909151) 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, 90921285 + ... + 90924013.
It is an arithmetic number, because the mean of its divisors is an integer number (15654529800).
Almost surely, 2248127909121 is an apocalyptic number.
It is an amenable number.
248127909121 is a deficient number, since it is larger than the sum of its proper divisors (2344567679).
248127909121 is a wasteful number, since it uses less digits than its factorization.
248127909121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4568.
The product of its (nonzero) digits is 145152, while the sum is 46.
The spelling of 248127909121 in words is "two hundred forty-eight billion, one hundred twenty-seven million, nine hundred nine thousand, one hundred twenty-one".
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