Base | Representation |
---|---|
bin | 111100010110000… |
… | …100111010010100 |
3 | 2121120001021111002 |
4 | 330112010322110 |
5 | 4033134421434 |
6 | 244243402432 |
7 | 34042300343 |
oct | 7426047224 |
9 | 2546037432 |
10 | 1012420244 |
11 | 47a537350 |
12 | 243083418 |
13 | 131998544 |
14 | 98661b5a |
15 | 5dd3657e |
hex | 3c584e94 |
1012420244 has 48 divisors (see below), whose sum is σ = 2154237120. Its totient is φ = 410319360.
The previous prime is 1012420229. The next prime is 1012420259. The reversal of 1012420244 is 4420242101.
It is an interprime number because it is at equal distance from previous prime (1012420229) and next prime (1012420259).
It is a super-3 number, since 3×10124202443 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21407 + ... + 49830.
It is an arithmetic number, because the mean of its divisors is an integer number (44879940).
Almost surely, 21012420244 is an apocalyptic number.
It is an amenable number.
1012420244 is an abundant number, since it is smaller than the sum of its proper divisors (1141816876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1012420244 is a wasteful number, since it uses less digits than its factorization.
1012420244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71288 (or 71286 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 1012420244 is about 31818.5518840817. The cubic root of 1012420244 is about 1004.1230583596.
Adding to 1012420244 its reverse (4420242101), we get a palindrome (5432662345).
The spelling of 1012420244 in words is "one billion, twelve million, four hundred twenty thousand, two hundred forty-four".
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