Base | Representation |
---|---|
bin | 101000101110001111… |
… | …0101111101100010110 |
3 | 22100201121022111021200 |
4 | 1101130132233230112 |
5 | 2413044413100322 |
6 | 104101400253330 |
7 | 6214054315500 |
oct | 1213436575426 |
9 | 270647274250 |
10 | 87450909462 |
11 | 340a68386a4 |
12 | 14b47171246 |
13 | 8328995697 |
14 | 433854cd70 |
15 | 241c6a58ac |
hex | 145c7afb16 |
87450909462 has 72 divisors (see below), whose sum is σ = 221531268816. Its totient is φ = 24859092384.
The previous prime is 87450909457. The next prime is 87450909463. The reversal of 87450909462 is 26490905478.
87450909462 is a `hidden beast` number, since 8 + 74 + 509 + 0 + 9 + 4 + 62 = 666.
It is a super-2 number, since 2×874509094622 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87450909399 and 87450909408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87450909463) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77898 + ... + 425405.
It is an arithmetic number, because the mean of its divisors is an integer number (3076823178).
Almost surely, 287450909462 is an apocalyptic number.
87450909462 is an abundant number, since it is smaller than the sum of its proper divisors (134080359354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87450909462 is a wasteful number, since it uses less digits than its factorization.
87450909462 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 503522 (or 503512 counting only the distinct ones).
The product of its (nonzero) digits is 4354560, while the sum is 54.
The spelling of 87450909462 in words is "eighty-seven billion, four hundred fifty million, nine hundred nine thousand, four hundred sixty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •