Base | Representation |
---|---|
bin | 100011110011000… |
… | …1101110100000001 |
3 | 10002201021022011011 |
4 | 1013212031310001 |
5 | 4430001403020 |
6 | 315105520521 |
7 | 41524014640 |
oct | 10746156401 |
9 | 3081238134 |
10 | 1201200385 |
11 | 5670566a0 |
12 | 296343141 |
13 | 161b24978 |
14 | b5763357 |
15 | 706c635a |
hex | 4798dd01 |
1201200385 has 32 divisors (see below), whose sum is σ = 1835384832. Its totient is φ = 732857280.
The previous prime is 1201200379. The next prime is 1201200389. The reversal of 1201200385 is 5830021021.
It is not a de Polignac number, because 1201200385 - 211 = 1201198337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1201200389) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15097 + ... + 51286.
It is an arithmetic number, because the mean of its divisors is an integer number (57355776).
Almost surely, 21201200385 is an apocalyptic number.
It is an amenable number.
1201200385 is a deficient number, since it is larger than the sum of its proper divisors (634184447).
1201200385 is a wasteful number, since it uses less digits than its factorization.
1201200385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66453.
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 1201200385 is about 34658.3378857094. The cubic root of 1201200385 is about 1063.0127842678.
The spelling of 1201200385 in words is "one billion, two hundred one million, two hundred thousand, three hundred eighty-five".
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