Base | Representation |
---|---|
bin | 10000110100101… |
… | …01100010010000 |
3 | 100211112201112220 |
4 | 20122111202100 |
5 | 242111343210 |
6 | 22000421040 |
7 | 3332341320 |
oct | 1032254220 |
9 | 324481486 |
10 | 141121680 |
11 | 72728897 |
12 | 3b317780 |
13 | 23310a6b |
14 | 14a57280 |
15 | c5c8c70 |
hex | 8695890 |
141121680 has 160 divisors (see below), whose sum is σ = 503967744. Its totient is φ = 31999488.
The previous prime is 141121619. The next prime is 141121681. The reversal of 141121680 is 86121141.
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 141121680.
It is not an unprimeable number, because it can be changed into a prime (141121681) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280309 + ... + 280811.
Almost surely, 2141121680 is an apocalyptic number.
141121680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 141121680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251983872).
141121680 is an abundant number, since it is smaller than the sum of its proper divisors (362846064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
141121680 is a wasteful number, since it uses less digits than its factorization.
141121680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 693 (or 687 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 24.
The square root of 141121680 is about 11879.4646344017. The cubic root of 141121680 is about 520.6324651480.
The spelling of 141121680 in words is "one hundred forty-one million, one hundred twenty-one thousand, six hundred eighty".
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