Base | Representation |
---|---|
bin | 111000100100011100… |
… | …0011110011000000000 |
3 | 102121120021112022020120 |
4 | 1301020320132120000 |
5 | 3442243323121240 |
6 | 131450305340240 |
7 | 11530301446620 |
oct | 1611070363000 |
9 | 377507468216 |
10 | 121481848320 |
11 | 4757a377758 |
12 | 1b664037680 |
13 | b5c01c25b1 |
14 | 5c46082880 |
15 | 3260116ad0 |
hex | 1c48e1e600 |
121481848320 has 160 divisors (see below), whose sum is σ = 443842806528. Its totient is φ = 27767267328.
The previous prime is 121481848307. The next prime is 121481848321. The reversal of 121481848320 is 23848184121.
It is a tau number, because it is divible by the number of its divisors (160).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121481848321) 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, 1076094 + ... + 1183613.
Almost surely, 2121481848320 is an apocalyptic number.
121481848320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121481848320 is an abundant number, since it is smaller than the sum of its proper divisors (322360958208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121481848320 is an equidigital number, since it uses as much as digits as its factorization.
121481848320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2259740 (or 2259724 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 42.
The spelling of 121481848320 in words is "one hundred twenty-one billion, four hundred eighty-one million, eight hundred forty-eight thousand, three hundred twenty".
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