Base | Representation |
---|---|
bin | 1110011001101… |
… | …00011011101000 |
3 | 22102022022211010 |
4 | 13030310123220 |
5 | 221411113000 |
6 | 15553103520 |
7 | 2664535335 |
oct | 714643350 |
9 | 272268733 |
10 | 120801000 |
11 | 62209641 |
12 | 34557ba0 |
13 | 1c0476a8 |
14 | 1208798c |
15 | a912d50 |
hex | 73346e8 |
120801000 has 128 divisors (see below), whose sum is σ = 383160960. Its totient is φ = 31680000.
The previous prime is 120800909. The next prime is 120801011. The reversal of 120801000 is 108021.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200700 + ... + 201300.
It is an arithmetic number, because the mean of its divisors is an integer number (2993445).
Almost surely, 2120801000 is an apocalyptic number.
120801000 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 120801000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191580480).
120801000 is an abundant number, since it is smaller than the sum of its proper divisors (262359960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120801000 is a wasteful number, since it uses less digits than its factorization.
120801000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 692 (or 678 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 120801000 is about 10990.9508232909. The cubic root of 120801000 is about 494.3374463961.
Adding to 120801000 its reverse (108021), we get a palindrome (120909021).
The spelling of 120801000 in words is "one hundred twenty million, eight hundred one thousand".
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