Base | Representation |
---|---|
bin | 101000100010100111… |
… | …1010001100000010110 |
3 | 22022201102120220110001 |
4 | 1101011033101200112 |
5 | 2411300102241221 |
6 | 103554550521514 |
7 | 6201311046244 |
oct | 1210517214026 |
9 | 268642526401 |
10 | 87060977686 |
11 | 33a1671a131 |
12 | 14a5866629a |
13 | 8295c6aa17 |
14 | 42dc849794 |
15 | 23e8330391 |
hex | 14453d1816 |
87060977686 has 16 divisors (see below), whose sum is σ = 132183185904. Its totient is φ = 43000061344.
The previous prime is 87060977651. The next prime is 87060977719. The reversal of 87060977686 is 68677906078.
It is a happy number.
It is a super-2 number, since 2×870609776862 (a number of 23 digits) contains 22 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, 1315116 + ... + 1379728.
It is an arithmetic number, because the mean of its divisors is an integer number (8261449119).
Almost surely, 287060977686 is an apocalyptic number.
87060977686 is a deficient number, since it is larger than the sum of its proper divisors (45122208218).
87060977686 is a wasteful number, since it uses less digits than its factorization.
87060977686 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72815.
The product of its (nonzero) digits is 42674688, while the sum is 64.
The spelling of 87060977686 in words is "eighty-seven billion, sixty million, nine hundred seventy-seven thousand, six hundred eighty-six".
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