Base | Representation |
---|---|
bin | 1010101100011111… |
… | …0001001101111010 |
3 | 21102002011220001001 |
4 | 2223013301031322 |
5 | 21334430044123 |
6 | 1152514115214 |
7 | 131100410014 |
oct | 25307611572 |
9 | 7362156031 |
10 | 2870940538 |
11 | 1243631134 |
12 | 68157bb0a |
13 | 369a37bab |
14 | 1d340d1b4 |
15 | 11c09e0ad |
hex | ab1f137a |
2870940538 has 4 divisors (see below), whose sum is σ = 4306410810. Its totient is φ = 1435470268.
The previous prime is 2870940533. The next prime is 2870940547. The reversal of 2870940538 is 8350490782.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 1973758329 + 897182209 = 44427^2 + 29953^2 .
It is not an unprimeable number, because it can be changed into a prime (2870940533) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717735133 + ... + 717735136.
Almost surely, 22870940538 is an apocalyptic number.
2870940538 is a deficient number, since it is larger than the sum of its proper divisors (1435470272).
2870940538 is a wasteful number, since it uses less digits than its factorization.
2870940538 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1435470271.
The product of its (nonzero) digits is 483840, while the sum is 46.
The square root of 2870940538 is about 53581.1584234608. The cubic root of 2870940538 is about 1421.2639242564.
The spelling of 2870940538 in words is "two billion, eight hundred seventy million, nine hundred forty thousand, five hundred thirty-eight".
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