Base | Representation |
---|---|
bin | 1011001101100000111… |
… | …10000110010101000101 |
3 | 1100211022010210020100000 |
4 | 11212300132012111011 |
5 | 22302403432111410 |
6 | 452544142311513 |
7 | 36554634342066 |
oct | 5466036062505 |
9 | 1324263706300 |
10 | 385212769605 |
11 | 139405625334 |
12 | 627a6b88599 |
13 | 2a42cbca981 |
14 | 1490432656d |
15 | a048611dc0 |
hex | 59b0786545 |
385212769605 has 96 divisors (see below), whose sum is σ = 746654912640. Its totient is φ = 189886187520.
The previous prime is 385212769603. The next prime is 385212769607. The reversal of 385212769605 is 506967212583.
385212769605 is a `hidden beast` number, since 3 + 8 + 5 + 2 + 1 + 27 + 6 + 9 + 605 = 666.
It is an interprime number because it is at equal distance from previous prime (385212769603) and next prime (385212769607).
It is not a de Polignac number, because 385212769605 - 21 = 385212769603 is a prime.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385212769603) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 742989 + ... + 1149981.
It is an arithmetic number, because the mean of its divisors is an integer number (7777655340).
Almost surely, 2385212769605 is an apocalyptic number.
It is an amenable number.
385212769605 is a deficient number, since it is larger than the sum of its proper divisors (361442143035).
385212769605 is a wasteful number, since it uses less digits than its factorization.
385212769605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407073 (or 407061 counting only the distinct ones).
The product of its (nonzero) digits is 5443200, while the sum is 54.
The spelling of 385212769605 in words is "three hundred eighty-five billion, two hundred twelve million, seven hundred sixty-nine thousand, six hundred five".
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