Base | Representation |
---|---|
bin | 10001110110000010001… |
… | …10100101000011111001 |
3 | 2011121120202000101002200 |
4 | 20323001012211003321 |
5 | 40021140010132020 |
6 | 1145355450220413 |
7 | 62203545135153 |
oct | 10730106450371 |
9 | 2147522011080 |
10 | 613125083385 |
11 | 217030141a51 |
12 | 9a9b2424709 |
13 | 45a81c15b39 |
14 | 2196548dad3 |
15 | 10e3727b590 |
hex | 8ec11a50f9 |
613125083385 has 48 divisors (see below), whose sum is σ = 1087192563600. Its totient is φ = 319561500672.
The previous prime is 613125083327. The next prime is 613125083387. The reversal of 613125083385 is 583380521316.
613125083385 is a `hidden beast` number, since 6 + 1 + 31 + 2 + 508 + 33 + 85 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 3196944 + 613121886441 = 1788^2 + 783021^2 .
It is not a de Polignac number, because 613125083385 - 215 = 613125050617 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 613125083385.
It is not an unprimeable number, because it can be changed into a prime (613125083387) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 498100 + ... + 1214229.
It is an arithmetic number, because the mean of its divisors is an integer number (22649845075).
Almost surely, 2613125083385 is an apocalyptic number.
It is an amenable number.
613125083385 is a deficient number, since it is larger than the sum of its proper divisors (474067480215).
613125083385 is a wasteful number, since it uses less digits than its factorization.
613125083385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1712522 (or 1712519 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 45.
The spelling of 613125083385 in words is "six hundred thirteen billion, one hundred twenty-five million, eighty-three thousand, three hundred eighty-five".
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