Base | Representation |
---|---|
bin | 101000101111110110… |
… | …0110010001101010110 |
3 | 22100212100221120202221 |
4 | 1101133230302031112 |
5 | 2413202224441210 |
6 | 104111010052554 |
7 | 6215311363003 |
oct | 1213754621526 |
9 | 270770846687 |
10 | 87504921430 |
11 | 34124279693 |
12 | 14b6127a15a |
13 | 8336c26c24 |
14 | 43417ac8aa |
15 | 24222c41da |
hex | 145fb32356 |
87504921430 has 16 divisors (see below), whose sum is σ = 157676974560. Its totient is φ = 34964609472.
The previous prime is 87504921421. The next prime is 87504921443. The reversal of 87504921430 is 3412940578.
It is a super-2 number, since 2×875049214302 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4660050 + ... + 4678789.
It is an arithmetic number, because the mean of its divisors is an integer number (9854810910).
Almost surely, 287504921430 is an apocalyptic number.
87504921430 is a deficient number, since it is larger than the sum of its proper divisors (70172053130).
87504921430 is a wasteful number, since it uses less digits than its factorization.
87504921430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9339783.
The product of its (nonzero) digits is 241920, while the sum is 43.
The spelling of 87504921430 in words is "eighty-seven billion, five hundred four million, nine hundred twenty-one thousand, four hundred thirty".
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