Base | Representation |
---|---|
bin | 11101111010100100… |
… | …101101000001100110 |
3 | 10001220120201200121200 |
4 | 131322210231001212 |
5 | 1011241012304110 |
6 | 22431205023330 |
7 | 2214664543254 |
oct | 357244550146 |
9 | 101816650550 |
10 | 32121213030 |
11 | 12693650855 |
12 | 62853b4b46 |
13 | 304b99c53a |
14 | 17aa0575d4 |
15 | c7ee816c0 |
hex | 77a92d066 |
32121213030 has 48 divisors (see below), whose sum is σ = 84761664624. Its totient is φ = 8437809600.
The previous prime is 32121213013. The next prime is 32121213037. The reversal of 32121213030 is 3031212123.
32121213030 is a `hidden beast` number, since 321 + 21 + 21 + 303 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 32121212994 and 32121213012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32121213037) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2657421 + ... + 2669480.
It is an arithmetic number, because the mean of its divisors is an integer number (1765868013).
Almost surely, 232121213030 is an apocalyptic number.
32121213030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
32121213030 is an abundant number, since it is smaller than the sum of its proper divisors (52640451594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32121213030 is a wasteful number, since it uses less digits than its factorization.
32121213030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5326981 (or 5326978 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 32121213030 its reverse (3031212123), we get a palindrome (35152425153).
The spelling of 32121213030 in words is "thirty-two billion, one hundred twenty-one million, two hundred thirteen thousand, thirty".
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