Base | Representation |
---|---|
bin | 11100101011111101… |
… | …101010011101000100 |
3 | 2221111200001210221100 |
4 | 130223331222131010 |
5 | 1001040400343121 |
6 | 22052253220100 |
7 | 2140211464164 |
oct | 345375523504 |
9 | 87450053840 |
10 | 30802356036 |
11 | 12077143aa1 |
12 | 5b77791630 |
13 | 2b9b69149a |
14 | 16c2c285a4 |
15 | c042b9026 |
hex | 72bf6a744 |
30802356036 has 27 divisors (see below), whose sum is σ = 77864173023. Its totient is φ = 10267101000.
The previous prime is 30802356007. The next prime is 30802356043. The reversal of 30802356036 is 63065320803.
It is a happy number.
The square root of 30802356036 is 175506.
It is a perfect power (a square), and thus also a powerful number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1038411 + ... + 1067661.
Almost surely, 230802356036 is an apocalyptic number.
30802356036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
30802356036 is the 175506-th square number.
It is an amenable number.
30802356036 is an abundant number, since it is smaller than the sum of its proper divisors (47061816987).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30802356036 is an frugal number, since it uses more digits than its factorization.
30802356036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58512 (or 29256 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 36.
Multiplying 30802356036 by its sum of digits (36), we get a square (1108884817296 = 10530362).
30802356036 divided by its sum of digits (36) gives a square (855621001 = 292512).
Adding to 30802356036 its reverse (63065320803), we get a palindrome (93867676839).
The spelling of 30802356036 in words is "thirty billion, eight hundred two million, three hundred fifty-six thousand, thirty-six".
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