Base | Representation |
---|---|
bin | 101101010101010111010… |
… | …110110011111000100000 |
3 | 102000211011210100002201121 |
4 | 231111113112303320200 |
5 | 402020132110341242 |
6 | 10343053512342024 |
7 | 441034312424035 |
oct | 55252726637040 |
9 | 12024153302647 |
10 | 3115316887072 |
11 | aa1220191835 |
12 | 4239293a4914 |
13 | 197a08719a20 |
14 | aaad42a938c |
15 | 560834da667 |
hex | 2d5575b3e20 |
3115316887072 has 96 divisors (see below), whose sum is σ = 6992898333120. Its totient is φ = 1354288481280.
The previous prime is 3115316887063. The next prime is 3115316887079. The reversal of 3115316887072 is 2707886135113.
It is a Harshad number since it is a multiple of its sum of digits (52).
It is not an unprimeable number, because it can be changed into a prime (3115316887079) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228247 + ... + 2506537.
It is an arithmetic number, because the mean of its divisors is an integer number (72842690970).
Almost surely, 23115316887072 is an apocalyptic number.
3115316887072 is a gapful number since it is divisible by the number (32) 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 3115316887072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3496449166560).
3115316887072 is an abundant number, since it is smaller than the sum of its proper divisors (3877581446048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3115316887072 is a wasteful number, since it uses less digits than its factorization.
3115316887072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2278506 (or 2278498 counting only the distinct ones).
The product of its (nonzero) digits is 1693440, while the sum is 52.
The spelling of 3115316887072 in words is "three trillion, one hundred fifteen billion, three hundred sixteen million, eight hundred eighty-seven thousand, seventy-two".
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