Base | Representation |
---|---|
bin | 101000101000111011… |
… | …1111111011000011100 |
3 | 22100021012111122010121 |
4 | 1101101313333120130 |
5 | 2412213340243243 |
6 | 104032002444324 |
7 | 6206464033642 |
oct | 1212167773034 |
9 | 270235448117 |
10 | 87272977948 |
11 | 34015359062 |
12 | 14ab76636a4 |
13 | 82cab67170 |
14 | 431ca73192 |
15 | 240bc5a1ed |
hex | 1451dff61c |
87272977948 has 24 divisors (see below), whose sum is σ = 164857654080. Its totient is φ = 40186368960.
The previous prime is 87272977931. The next prime is 87272977973. The reversal of 87272977948 is 84977927278.
It is a super-3 number, since 3×872729779483 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924603 + ... + 1969426.
It is an arithmetic number, because the mean of its divisors is an integer number (6869068920).
Almost surely, 287272977948 is an apocalyptic number.
It is an amenable number.
87272977948 is a deficient number, since it is larger than the sum of its proper divisors (77584676132).
87272977948 is a wasteful number, since it uses less digits than its factorization.
87272977948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3894477 (or 3894475 counting only the distinct ones).
The product of its digits is 199148544, while the sum is 70.
The spelling of 87272977948 in words is "eighty-seven billion, two hundred seventy-two million, nine hundred seventy-seven thousand, nine hundred forty-eight".
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