Base | Representation |
---|---|
bin | 111100110000011… |
… | …1000110110110101 |
3 | 12021002002220010101 |
4 | 1321200320312311 |
5 | 13133344232004 |
6 | 534143354101 |
7 | 101343235441 |
oct | 17140706665 |
9 | 5232086111 |
10 | 2038664629 |
11 | 956855a01 |
12 | 48a8b2931 |
13 | 266494141 |
14 | 154a81821 |
15 | bde9dba4 |
hex | 79838db5 |
2038664629 has 4 divisors (see below), whose sum is σ = 2041185420. Its totient is φ = 2036143840.
The previous prime is 2038664627. The next prime is 2038664657. The reversal of 2038664629 is 9264668302.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9264668302 = 2 ⋅4632334151.
It can be written as a sum of positive squares in 2 ways, for example, as 1805400100 + 233264529 = 42490^2 + 15273^2 .
It is a cyclic number.
It is not a de Polignac number, because 2038664629 - 21 = 2038664627 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2038664623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259182 + ... + 1260799.
It is an arithmetic number, because the mean of its divisors is an integer number (510296355).
Almost surely, 22038664629 is an apocalyptic number.
It is an amenable number.
2038664629 is a deficient number, since it is larger than the sum of its proper divisors (2520791).
2038664629 is an equidigital number, since it uses as much as digits as its factorization.
2038664629 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2520790.
The product of its (nonzero) digits is 746496, while the sum is 46.
The square root of 2038664629 is about 45151.5739371287. The cubic root of 2038664629 is about 1267.9883479128.
The spelling of 2038664629 in words is "two billion, thirty-eight million, six hundred sixty-four thousand, six hundred twenty-nine".
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