Base | Representation |
---|---|
bin | 10111000000011000… |
… | …00110110100001100 |
3 | 1011212202222012111222 |
4 | 23200030012310030 |
5 | 200243402021440 |
6 | 5401333102512 |
7 | 615034335626 |
oct | 134014066414 |
9 | 34782865458 |
10 | 12351204620 |
11 | 5268a29927 |
12 | 2488487a38 |
13 | 121ab50101 |
14 | 85251dc16 |
15 | 4c44e62b5 |
hex | 2e0306d0c |
12351204620 has 48 divisors (see below), whose sum is σ = 26257543200. Its totient is φ = 4879649280.
The previous prime is 12351204563. The next prime is 12351204629. The reversal of 12351204620 is 2640215321.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 12351204620.
It is not an unprimeable number, because it can be changed into a prime (12351204629) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1899575 + ... + 1906065.
It is an arithmetic number, because the mean of its divisors is an integer number (547032150).
Almost surely, 212351204620 is an apocalyptic number.
12351204620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12351204620 is an abundant number, since it is smaller than the sum of its proper divisors (13906338580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12351204620 is a wasteful number, since it uses less digits than its factorization.
12351204620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7658 (or 7656 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 12351204620 its reverse (2640215321), we get a palindrome (14991419941).
The spelling of 12351204620 in words is "twelve billion, three hundred fifty-one million, two hundred four thousand, six hundred twenty".
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