Base | Representation |
---|---|
bin | 100101011001111… |
… | …0100111011110111 |
3 | 10020110200200201210 |
4 | 1022303310323313 |
5 | 10032301201101 |
6 | 324313052503 |
7 | 43050114054 |
oct | 11263647367 |
9 | 3213620653 |
10 | 1255100151 |
11 | 594520358 |
12 | 2b03b7133 |
13 | 170047116 |
14 | bc99402b |
15 | 752c17d6 |
hex | 4acf4ef7 |
1255100151 has 8 divisors (see below), whose sum is σ = 1673639920. Its totient is φ = 836646912.
The previous prime is 1255100141. The next prime is 1255100183. The reversal of 1255100151 is 1510015521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1255100151 - 210 = 1255099127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1255100101) 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, 29445 + ... + 58113.
It is an arithmetic number, because the mean of its divisors is an integer number (209204990).
Almost surely, 21255100151 is an apocalyptic number.
1255100151 is a deficient number, since it is larger than the sum of its proper divisors (418539769).
1255100151 is a wasteful number, since it uses less digits than its factorization.
1255100151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43265.
The product of its (nonzero) digits is 250, while the sum is 21.
The square root of 1255100151 is about 35427.3926644341. The cubic root of 1255100151 is about 1078.6804159462.
Adding to 1255100151 its reverse (1510015521), we get a palindrome (2765115672).
The spelling of 1255100151 in words is "one billion, two hundred fifty-five million, one hundred thousand, one hundred fifty-one".
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