Base | Representation |
---|---|
bin | 101000100110011101… |
… | …1110010000110000110 |
3 | 22100001102112021210021 |
4 | 1101030323302012012 |
5 | 2412031130223042 |
6 | 104015442045354 |
7 | 6204436334344 |
oct | 1211473620606 |
9 | 270042467707 |
10 | 87190086022 |
11 | 33a82592136 |
12 | 14a9394985a |
13 | 82b69336a0 |
14 | 4311a56994 |
15 | 2404834867 |
hex | 144cef2186 |
87190086022 has 16 divisors (see below), whose sum is σ = 140864784480. Its totient is φ = 40236075072.
The previous prime is 87190086001. The next prime is 87190086041. The reversal of 87190086022 is 22068009178.
It is a super-2 number, since 2×871900860222 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 87190086022.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32322 + ... + 418837.
It is an arithmetic number, because the mean of its divisors is an integer number (8804049030).
Almost surely, 287190086022 is an apocalyptic number.
87190086022 is a deficient number, since it is larger than the sum of its proper divisors (53674698458).
87190086022 is a wasteful number, since it uses less digits than its factorization.
87190086022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 458607.
The product of its (nonzero) digits is 96768, while the sum is 43.
The spelling of 87190086022 in words is "eighty-seven billion, one hundred ninety million, eighty-six thousand, twenty-two".
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