Base | Representation |
---|---|
bin | 110000000001111000… |
… | …0111110101111010111 |
3 | 100212020011121010100100 |
4 | 1200003300332233113 |
5 | 3142213422333042 |
6 | 115214415145143 |
7 | 10310651551416 |
oct | 1400360765727 |
9 | 325204533310 |
10 | 103142386647 |
11 | 3a819208763 |
12 | 17ba62151b3 |
13 | 9959858721 |
14 | 4dc652d47d |
15 | 2a3a05724c |
hex | 1803c3ebd7 |
103142386647 has 24 divisors (see below), whose sum is σ = 153340609968. Its totient is φ = 66766492800.
The previous prime is 103142386601. The next prime is 103142386657. The reversal of 103142386647 is 746683241301.
103142386647 is a `hidden beast` number, since 1 + 0 + 314 + 238 + 66 + 47 = 666.
It is not a de Polignac number, because 103142386647 - 26 = 103142386583 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103142386657) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584508 + ... + 740225.
It is an arithmetic number, because the mean of its divisors is an integer number (6389192082).
Almost surely, 2103142386647 is an apocalyptic number.
103142386647 is a deficient number, since it is larger than the sum of its proper divisors (50198223321).
103142386647 is a wasteful number, since it uses less digits than its factorization.
103142386647 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1324991 (or 1324988 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 45.
The spelling of 103142386647 in words is "one hundred three billion, one hundred forty-two million, three hundred eighty-six thousand, six hundred forty-seven".
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