Base | Representation |
---|---|
bin | 100100010111001… |
… | …1001110101100100 |
3 | 10011000212201110221 |
4 | 1020232121311210 |
5 | 4444322432004 |
6 | 321023254124 |
7 | 42143611561 |
oct | 11056316544 |
9 | 3130781427 |
10 | 1220124004 |
11 | 576801250 |
12 | 2a074a344 |
13 | 165a1c188 |
14 | b808b868 |
15 | 721b3354 |
hex | 48b99d64 |
1220124004 has 24 divisors (see below), whose sum is σ = 2330729856. Its totient is φ = 554268000.
The previous prime is 1220123999. The next prime is 1220124041. The reversal of 1220124004 is 4004210221.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74914 + ... + 89734.
It is an arithmetic number, because the mean of its divisors is an integer number (97113744).
Almost surely, 21220124004 is an apocalyptic number.
It is an amenable number.
1220124004 is a deficient number, since it is larger than the sum of its proper divisors (1110605852).
1220124004 is a wasteful number, since it uses less digits than its factorization.
1220124004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16707 (or 16705 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 1220124004 is about 34930.2734601377. The cubic root of 1220124004 is about 1068.5659316439.
Adding to 1220124004 its reverse (4004210221), we get a palindrome (5224334225).
The spelling of 1220124004 in words is "one billion, two hundred twenty million, one hundred twenty-four thousand, four".
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