Base | Representation |
---|---|
bin | 111000010101001011… |
… | …1001100100011010000 |
3 | 102120020121000222002020 |
4 | 1300222113030203100 |
5 | 3440221232324310 |
6 | 131323414451440 |
7 | 11511513255132 |
oct | 1605227144320 |
9 | 376217028066 |
10 | 120969808080 |
11 | 47337337300 |
12 | 1b540663b80 |
13 | b53b0b30c4 |
14 | 5bd8075052 |
15 | 32301c1170 |
hex | 1c2a5cc8d0 |
120969808080 has 120 divisors (see below), whose sum is σ = 412197221856. Its totient is φ = 29326007040.
The previous prime is 120969808049. The next prime is 120969808121. The reversal of 120969808080 is 80808969021.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2053774 + ... + 2111853.
Almost surely, 2120969808080 is an apocalyptic number.
120969808080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120969808080 is an abundant number, since it is smaller than the sum of its proper divisors (291227413776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120969808080 is a wasteful number, since it uses less digits than its factorization.
120969808080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4165665 (or 4165648 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 51.
The spelling of 120969808080 in words is "one hundred twenty billion, nine hundred sixty-nine million, eight hundred eight thousand, eighty".
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