Base | Representation |
---|---|
bin | 10111111101100… |
… | …01111101011011 |
3 | 112000020012200110 |
4 | 23332301331123 |
5 | 402424210224 |
6 | 31540135403 |
7 | 4660350030 |
oct | 1376617533 |
9 | 460205613 |
10 | 201006939 |
11 | a3510541 |
12 | 57397563 |
13 | 3284a723 |
14 | 1c9a5387 |
15 | 129a7929 |
hex | bfb1f5b |
201006939 has 16 divisors (see below), whose sum is σ = 306505728. Its totient is φ = 114782592.
The previous prime is 201006937. The next prime is 201006941. The reversal of 201006939 is 939600102.
It is an interprime number because it is at equal distance from previous prime (201006937) and next prime (201006941).
It is not a de Polignac number, because 201006939 - 21 = 201006937 is a prime.
It is a super-2 number, since 2×2010069392 = 80807579052299442, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (201006937) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44179 + ... + 48515.
It is an arithmetic number, because the mean of its divisors is an integer number (19156608).
Almost surely, 2201006939 is an apocalyptic number.
201006939 is a deficient number, since it is larger than the sum of its proper divisors (105498789).
201006939 is a wasteful number, since it uses less digits than its factorization.
201006939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6554.
The product of its (nonzero) digits is 2916, while the sum is 30.
The square root of 201006939 is about 14177.6915963072. The cubic root of 201006939 is about 585.7833409899.
The spelling of 201006939 in words is "two hundred one million, six thousand, nine hundred thirty-nine".
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