Base | Representation |
---|---|
bin | 1101111111111111111001… |
… | …10110111111011111010100 |
3 | 11001000010202021211210022200 |
4 | 12333333330312333133110 |
5 | 13013400241324302232 |
6 | 145251003555524500 |
7 | 6325143353550003 |
oct | 677777466773724 |
9 | 131003667753280 |
10 | 30786272884692 |
11 | 989a4264a0956 |
12 | 35527045b9730 |
13 | 14241964a2890 |
14 | 7860c6590c3a |
15 | 385c4cddc77c |
hex | 1bfffcdbf7d4 |
30786272884692 has 72 divisors (see below), whose sum is σ = 86072132347656. Its totient is φ = 9216680442624.
The previous prime is 30786272884681. The next prime is 30786272884739. The reversal of 30786272884692 is 29648827268703.
30786272884692 is a `hidden beast` number, since 3 + 0 + 7 + 86 + 2 + 7 + 2 + 88 + 469 + 2 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 2976639386436 + 27809633498256 = 1725294^2 + 5273484^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30786272884692.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 888937203 + ... + 888971834.
Almost surely, 230786272884692 is an apocalyptic number.
It is an amenable number.
30786272884692 is an abundant number, since it is smaller than the sum of its proper divisors (55285859462964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30786272884692 is a wasteful number, since it uses less digits than its factorization.
30786272884692 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1777909097 (or 1777909092 counting only the distinct ones).
The product of its (nonzero) digits is 780337152, while the sum is 72.
The spelling of 30786272884692 in words is "thirty trillion, seven hundred eighty-six billion, two hundred seventy-two million, eight hundred eighty-four thousand, six hundred ninety-two".
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