Base | Representation |
---|---|
bin | 1110001011011001110… |
… | …00000010010000100001 |
3 | 1201120102212121010020201 |
4 | 13011230320002100201 |
5 | 30440144412324324 |
6 | 1011444113105201 |
7 | 50124141052132 |
oct | 7055470022041 |
9 | 1646385533221 |
10 | 487157933089 |
11 | 178669a53563 |
12 | 7a4b8258201 |
13 | 36c286c4b09 |
14 | 19815849c89 |
15 | ca134cb444 |
hex | 716ce02421 |
487157933089 has 3 divisors (see below), whose sum is σ = 487158631057. Its totient is φ = 487157235122.
The previous prime is 487157933083. The next prime is 487157933167. The reversal of 487157933089 is 980339751784.
The square root of 487157933089 is 697967.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 487157933089 - 23 = 487157933081 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 487157933089.
It is not an unprimeable number, because it can be changed into a prime (487157933081) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 348984 + ... + 1046950.
Almost surely, 2487157933089 is an apocalyptic number.
487157933089 is the 697967-th square number.
487157933089 is the 348984-th centered octagonal number.
It is an amenable number.
487157933089 is a deficient number, since it is larger than the sum of its proper divisors (697968).
487157933089 is an frugal number, since it uses more digits than its factorization.
487157933089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1395934 (or 697967 counting only the distinct ones).
The product of its (nonzero) digits is 45722880, while the sum is 64.
Multiplying 487157933089 by its sum of digits (64), we get a square (31178107717696 = 55837362).
The spelling of 487157933089 in words is "four hundred eighty-seven billion, one hundred fifty-seven million, nine hundred thirty-three thousand, eighty-nine".
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