Base | Representation |
---|---|
bin | 10001110000100110010… |
… | …110111000010111100000 |
3 | 11022200002202201011121102 |
4 | 101300212112320113200 |
5 | 124443402021304240 |
6 | 2332352304413532 |
7 | 154113000626225 |
oct | 21604626702740 |
9 | 4280082634542 |
10 | 1220414244320 |
11 | 43063602aa97 |
12 | 1786363172a8 |
13 | 8b113a5060b |
14 | 430d584194c |
15 | 21b2bed0815 |
hex | 11c265b85e0 |
1220414244320 has 48 divisors (see below), whose sum is σ = 2895192348048. Its totient is φ = 486140098560.
The previous prime is 1220414244317. The next prime is 1220414244347. The reversal of 1220414244320 is 234424140221.
It is a happy number.
It is a congruent number.
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, 15786314 + ... + 15863433.
It is an arithmetic number, because the mean of its divisors is an integer number (60316507251).
Almost surely, 21220414244320 is an apocalyptic number.
1220414244320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1220414244320 is an abundant number, since it is smaller than the sum of its proper divisors (1674778103728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220414244320 is a wasteful number, since it uses less digits than its factorization.
1220414244320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31650003 (or 31649995 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 29.
Adding to 1220414244320 its reverse (234424140221), we get a palindrome (1454838384541).
The spelling of 1220414244320 in words is "one trillion, two hundred twenty billion, four hundred fourteen million, two hundred forty-four thousand, three hundred twenty".
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