Base | Representation |
---|---|
bin | 101101110001001110000… |
… | …001111000111100000000 |
3 | 102010200101011001202010000 |
4 | 231301032001320330000 |
5 | 403012410121211010 |
6 | 10404521351040000 |
7 | 443143416624051 |
oct | 55611601707400 |
9 | 12120334052100 |
10 | 3145225178880 |
11 | 1002978688074 |
12 | 429695670000 |
13 | 19a793ab2505 |
14 | ac330480728 |
15 | 56c3404b7c0 |
hex | 2dc4e078f00 |
3145225178880 has 720 divisors, whose sum is σ = 11402121155040. Its totient is φ = 827766964224.
The previous prime is 3145225178869. The next prime is 3145225178903. The reversal of 3145225178880 is 888715225413.
It is a happy number.
3145225178880 is a `hidden beast` number, since 3 + 1 + 45 + 2 + 2 + 517 + 8 + 8 + 80 = 666.
It is a tau number, because it is divible by the number of its divisors (720).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5646723562 + ... + 5646724118.
It is an arithmetic number, because the mean of its divisors is an integer number (15836279382).
Almost surely, 23145225178880 is an apocalyptic number.
3145225178880 is a gapful number since it is divisible by the number (30) 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 3145225178880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5701060577520).
3145225178880 is an abundant number, since it is smaller than the sum of its proper divisors (8256895976160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145225178880 is a wasteful number, since it uses less digits than its factorization.
3145225178880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1206 (or 1183 counting only the distinct ones).
The product of its (nonzero) digits is 4300800, while the sum is 54.
The spelling of 3145225178880 in words is "three trillion, one hundred forty-five billion, two hundred twenty-five million, one hundred seventy-eight thousand, eight hundred eighty".
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