Base | Representation |
---|---|
bin | 101000001110010010… |
… | …0111110100001111000 |
3 | 22020221212221202022221 |
4 | 1100130210332201320 |
5 | 2403400433120042 |
6 | 103403141253424 |
7 | 6145355460601 |
oct | 1203444764170 |
9 | 266855852287 |
10 | 86378801272 |
11 | 336a6643975 |
12 | 148a8104274 |
13 | 81b782c23a |
14 | 4275dd0da8 |
15 | 23a84cdd67 |
hex | 141c93e878 |
86378801272 has 16 divisors (see below), whose sum is σ = 162774126000. Its totient is φ = 42972367680.
The previous prime is 86378801231. The next prime is 86378801273. The reversal of 86378801272 is 27210887368.
It is a super-2 number, since 2×863788012722 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86378801273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27127429 + ... + 27130612.
It is an arithmetic number, because the mean of its divisors is an integer number (10173382875).
Almost surely, 286378801272 is an apocalyptic number.
It is an amenable number.
86378801272 is a deficient number, since it is larger than the sum of its proper divisors (76395324728).
86378801272 is a wasteful number, since it uses less digits than its factorization.
86378801272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54258246 (or 54258242 counting only the distinct ones).
The product of its (nonzero) digits is 1806336, while the sum is 52.
The spelling of 86378801272 in words is "eighty-six billion, three hundred seventy-eight million, eight hundred one thousand, two hundred seventy-two".
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