Base | Representation |
---|---|
bin | 1000110001111010101110… |
… | …10001101011101101000000 |
3 | 2112100202121212200222202101 |
4 | 10120331113101223231000 |
5 | 10012312414103430033 |
6 | 105021400502400144 |
7 | 4031623640206300 |
oct | 430752721535500 |
9 | 75322555628671 |
10 | 19307342248768 |
11 | 617421a3a3632 |
12 | 21b9a85a30054 |
13 | aa08a0020ac2 |
14 | 4aa6a2123600 |
15 | 23736569e97d |
hex | 118f5746bb40 |
19307342248768 has 84 divisors (see below), whose sum is σ = 44569937857152. Its totient is φ = 8274251139840.
The previous prime is 19307342248763. The next prime is 19307342248781. The reversal of 19307342248768 is 86784224370391.
It is a super-2 number, since 2×193073422487682 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (64).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19307342248763) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90910063 + ... + 91122193.
Almost surely, 219307342248768 is an apocalyptic number.
It is an amenable number.
19307342248768 is an abundant number, since it is smaller than the sum of its proper divisors (25262595608384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19307342248768 is a wasteful number, since it uses less digits than its factorization.
19307342248768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241180 (or 241163 counting only the distinct ones).
The product of its (nonzero) digits is 97542144, while the sum is 64.
The spelling of 19307342248768 in words is "nineteen trillion, three hundred seven billion, three hundred forty-two million, two hundred forty-eight thousand, seven hundred sixty-eight".
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