Base | Representation |
---|---|
bin | 111000011001000111… |
… | …1100011000101100000 |
3 | 102120120210211002001120 |
4 | 1300302033203011200 |
5 | 3441004104132320 |
6 | 131344500332240 |
7 | 11515010123334 |
oct | 1606217430540 |
9 | 376523732046 |
10 | 121102020960 |
11 | 473a4a2a848 |
12 | 1b5789a4080 |
13 | b55c5c4b8b |
14 | 5c0b84d7c4 |
15 | 323bada440 |
hex | 1c323e3160 |
121102020960 has 96 divisors (see below), whose sum is σ = 381664846080. Its totient is φ = 32277493248.
The previous prime is 121102020929. The next prime is 121102020961. The reversal of 121102020960 is 69020201121.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 121102020960.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121102020961) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898461 + ... + 1024419.
It is an arithmetic number, because the mean of its divisors is an integer number (3975675480).
Almost surely, 2121102020960 is an apocalyptic number.
121102020960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121102020960 is an abundant number, since it is smaller than the sum of its proper divisors (260562825120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121102020960 is a wasteful number, since it uses less digits than its factorization.
121102020960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127980 (or 127972 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 24.
The spelling of 121102020960 in words is "one hundred twenty-one billion, one hundred two million, twenty thousand, nine hundred sixty".
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