Base | Representation |
---|---|
bin | 1101000100011110110001… |
… | …11000101001011010111000 |
3 | 10202202122020011112201110120 |
4 | 12202033120320221122320 |
5 | 12231344102303442122 |
6 | 141043315501413240 |
7 | 6024326223542616 |
oct | 642173070513270 |
9 | 122678204481416 |
10 | 28741264905912 |
11 | 9181113835499 |
12 | 32822bb56a220 |
13 | 130639c495800 |
14 | 7151283966b6 |
15 | 34c95d94775c |
hex | 1a23d8e296b8 |
28741264905912 has 48 divisors (see below), whose sum is σ = 77805495244440. Its totient is φ = 8843466123648.
The previous prime is 28741264905883. The next prime is 28741264905937. The reversal of 28741264905912 is 21950946214782.
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3543051283 + ... + 3543059394.
Almost surely, 228741264905912 is an apocalyptic number.
It is an amenable number.
28741264905912 is an abundant number, since it is smaller than the sum of its proper divisors (49064230338528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28741264905912 is a wasteful number, since it uses less digits than its factorization.
28741264905912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7086110712 (or 7086110695 counting only the distinct ones).
The product of its (nonzero) digits is 17418240, while the sum is 60.
The spelling of 28741264905912 in words is "twenty-eight trillion, seven hundred forty-one billion, two hundred sixty-four million, nine hundred five thousand, nine hundred twelve".
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