Base | Representation |
---|---|
bin | 1000010110001101111… |
… | …0111011000000010000 |
3 | 111201010222222201120210 |
4 | 2011203132323000100 |
5 | 4322142130034102 |
6 | 145513423204120 |
7 | 13234442100000 |
oct | 2054336730020 |
9 | 451128881523 |
10 | 143402971152 |
11 | 558a92697a1 |
12 | 23961446640 |
13 | 106a48b82ac |
14 | 6d25570000 |
15 | 3ae486436c |
hex | 21637bb010 |
143402971152 has 240 divisors, whose sum is σ = 435462307200. Its totient is φ = 40663182336.
The previous prime is 143402971141. The next prime is 143402971183. The reversal of 143402971152 is 251179204341.
It is a self number, because there is not a number n which added to its sum of digits gives 143402971152.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120203068 + ... + 120204260.
It is an arithmetic number, because the mean of its divisors is an integer number (1814426280).
Almost surely, 2143402971152 is an apocalyptic number.
143402971152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143402971152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217731153600).
143402971152 is an abundant number, since it is smaller than the sum of its proper divisors (292059336048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143402971152 is an equidigital number, since it uses as much as digits as its factorization.
143402971152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1388 (or 1354 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The spelling of 143402971152 in words is "one hundred forty-three billion, four hundred two million, nine hundred seventy-one thousand, one hundred fifty-two".
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