Base | Representation |
---|---|
bin | 1101101111010100001100… |
… | …11100011001111001110100 |
3 | 10221222100011210022021000201 |
4 | 12313222012130121321310 |
5 | 12430002314210200030 |
6 | 144131404111050244 |
7 | 6235551452614315 |
oct | 667520634317164 |
9 | 127870153267021 |
10 | 30213055553140 |
11 | 9699315230599 |
12 | 347b5ab210984 |
13 | 13b21044b0ca5 |
14 | 76646933860c |
15 | 375d9e4c52ca |
hex | 1b7a86719e74 |
30213055553140 has 24 divisors (see below), whose sum is σ = 63449686975752. Its totient is φ = 12084789780480.
The previous prime is 30213055553137. The next prime is 30213055553227. The reversal of 30213055553140 is 4135555031203.
It can be written as a sum of positive squares in 4 ways, for example, as 748937929744 + 29464117623396 = 865412^2 + 5428086^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30213055553140.
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, 26454349 + ... + 27572788.
It is an arithmetic number, because the mean of its divisors is an integer number (2643736957323).
Almost surely, 230213055553140 is an apocalyptic number.
It is an amenable number.
30213055553140 is an abundant number, since it is smaller than the sum of its proper divisors (33236631422612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30213055553140 is a wasteful number, since it uses less digits than its factorization.
30213055553140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54055107 (or 54055105 counting only the distinct ones).
The product of its (nonzero) digits is 135000, while the sum is 37.
The spelling of 30213055553140 in words is "thirty trillion, two hundred thirteen billion, fifty-five million, five hundred fifty-three thousand, one hundred forty".
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