Base | Representation |
---|---|
bin | 11101101011111010111… |
… | …10101000011110001100 |
3 | 10121111211102100021012020 |
4 | 32311331132220132030 |
5 | 113202441140244434 |
6 | 2100330502210140 |
7 | 133456600416432 |
oct | 16657536503614 |
9 | 3544742307166 |
10 | 1020012431244 |
11 | 363648475774 |
12 | 145828123950 |
13 | 75257406831 |
14 | 37524246d52 |
15 | 1b7ed63a849 |
hex | ed7d7a878c |
1020012431244 has 12 divisors (see below), whose sum is σ = 2380029006264. Its totient is φ = 340004143744.
The previous prime is 1020012431237. The next prime is 1020012431279. The reversal of 1020012431244 is 4421342100201.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42500517957 + ... + 42500517980.
It is an arithmetic number, because the mean of its divisors is an integer number (198335750522).
Almost surely, 21020012431244 is an apocalyptic number.
It is an amenable number.
1020012431244 is an abundant number, since it is smaller than the sum of its proper divisors (1360016575020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020012431244 is a wasteful number, since it uses less digits than its factorization.
1020012431244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85001035944 (or 85001035942 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
Adding to 1020012431244 its reverse (4421342100201), we get a palindrome (5441354531445).
The spelling of 1020012431244 in words is "one trillion, twenty billion, twelve million, four hundred thirty-one thousand, two hundred forty-four".
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