Base | Representation |
---|---|
bin | 111000010010000000… |
… | …1100001010100100000 |
3 | 102112222011221001122000 |
4 | 1300210001201110200 |
5 | 3440012021301223 |
6 | 131305055244000 |
7 | 11506052324223 |
oct | 1604401412440 |
9 | 375864831560 |
10 | 120863462688 |
11 | 47292301451 |
12 | 1b510b19600 |
13 | b52205a337 |
14 | 5bc7cb15ba |
15 | 3225bb6543 |
hex | 1c24061520 |
120863462688 has 48 divisors (see below), whose sum is σ = 352518435360. Its totient is φ = 40287820608.
The previous prime is 120863462683. The next prime is 120863462689. The reversal of 120863462688 is 886264368021.
120863462688 is a `hidden beast` number, since 1 + 2 + 0 + 8 + 6 + 3 + 4 + 626 + 8 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×1208634626882 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (120863462683) 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 7 ways as a sum of consecutive naturals, for example, 69943270 + ... + 69944997.
It is an arithmetic number, because the mean of its divisors is an integer number (7344134070).
Almost surely, 2120863462688 is an apocalyptic number.
120863462688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
120863462688 is an abundant number, since it is smaller than the sum of its proper divisors (231654972672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120863462688 is a wasteful number, since it uses less digits than its factorization.
120863462688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139888286 (or 139888272 counting only the distinct ones).
The product of its (nonzero) digits is 5308416, while the sum is 54.
The spelling of 120863462688 in words is "one hundred twenty billion, eight hundred sixty-three million, four hundred sixty-two thousand, six hundred eighty-eight".
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