Base | Representation |
---|---|
bin | 10010001000101… |
… | …00011001101001 |
3 | 101121020212010100 |
4 | 21010110121221 |
5 | 302421031311 |
6 | 23032340013 |
7 | 3525026121 |
oct | 1104243151 |
9 | 347225110 |
10 | 152127081 |
11 | 78965367 |
12 | 42b44609 |
13 | 25695132 |
14 | 162bdc81 |
15 | d54ea56 |
hex | 9114669 |
152127081 has 6 divisors (see below), whose sum is σ = 219739130. Its totient is φ = 101418048.
The previous prime is 152127071. The next prime is 152127103. The reversal of 152127081 is 180721251.
It can be written as a sum of positive squares in only one way, i.e., 151659225 + 467856 = 12315^2 + 684^2 .
It is not a de Polignac number, because 152127081 - 219 = 151602793 is a prime.
It is a super-2 number, since 2×1521270812 = 46285297547161122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152127071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8451496 + ... + 8451513.
Almost surely, 2152127081 is an apocalyptic number.
It is an amenable number.
152127081 is a deficient number, since it is larger than the sum of its proper divisors (67612049).
152127081 is a wasteful number, since it uses less digits than its factorization.
152127081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16903015 (or 16903012 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 27.
The square root of 152127081 is about 12333.9807442691. The cubic root of 152127081 is about 533.8290177665.
The spelling of 152127081 in words is "one hundred fifty-two million, one hundred twenty-seven thousand, eighty-one".
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