Base | Representation |
---|---|
bin | 101000100010000000… |
… | …0100011001011000100 |
3 | 22022122222202102210100 |
4 | 1101010000203023010 |
5 | 2411224311400201 |
6 | 103552532324100 |
7 | 6200640455112 |
oct | 1210400431304 |
9 | 268588672710 |
10 | 87040340676 |
11 | 33a06004253 |
12 | 14a51773630 |
13 | 82918c3683 |
14 | 42d9bd6ab2 |
15 | 23e6605886 |
hex | 14440232c4 |
87040340676 has 27 divisors (see below), whose sum is σ = 220023113583. Its totient is φ = 29012856840.
The previous prime is 87040340657. The next prime is 87040340729. The reversal of 87040340676 is 67604304078.
The square root of 87040340676 is 295026.
It is a perfect power (a square), and thus also a powerful number.
It is a super-3 number, since 3×870403406763 (a number of 34 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1745571 + ... + 1794741.
Almost surely, 287040340676 is an apocalyptic number.
87040340676 is the 295026-th square number.
It is an amenable number.
87040340676 is an abundant number, since it is smaller than the sum of its proper divisors (132982772907).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87040340676 is an frugal number, since it uses more digits than its factorization.
87040340676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98352 (or 49176 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 45.
It can be divided in two parts, 87040 and 340676, that added together give a square (427716 = 6542).
The spelling of 87040340676 in words is "eighty-seven billion, forty million, three hundred forty thousand, six hundred seventy-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.205 sec. • engine limits •