Base | Representation |
---|---|
bin | 111110001100101… |
… | …1010110000101010 |
3 | 12101110010111220111 |
4 | 1330121122300222 |
5 | 13233240203434 |
6 | 543032244534 |
7 | 102501346606 |
oct | 17431326052 |
9 | 5343114814 |
10 | 2087037994 |
11 | 981095598 |
12 | 4a2b4074a |
13 | 273500032 |
14 | 15b274506 |
15 | c3356964 |
hex | 7c65ac2a |
2087037994 has 4 divisors (see below), whose sum is σ = 3130556994. Its totient is φ = 1043518996.
The previous prime is 2087037991. The next prime is 2087038027. The reversal of 2087037994 is 4997307802.
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., 2055262225 + 31775769 = 45335^2 + 5637^2 .
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (2087037991) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521759497 + ... + 521759500.
Almost surely, 22087037994 is an apocalyptic number.
2087037994 is a deficient number, since it is larger than the sum of its proper divisors (1043519000).
2087037994 is a wasteful number, since it uses less digits than its factorization.
2087037994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1043518999.
The product of its (nonzero) digits is 762048, while the sum is 49.
The square root of 2087037994 is about 45684.1109577499. The cubic root of 2087037994 is about 1277.9389834073.
The spelling of 2087037994 in words is "two billion, eighty-seven million, thirty-seven thousand, nine hundred ninety-four".
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