Base | Representation |
---|---|
bin | 11000000011101000… |
… | …00101000101011000 |
3 | 1020100002110211000000 |
4 | 30001310011011120 |
5 | 202422311101131 |
6 | 5533324213000 |
7 | 635024335311 |
oct | 140164050530 |
9 | 36302424000 |
10 | 12915331416 |
11 | 5528405719 |
12 | 260539a160 |
13 | 12aa998650 |
14 | 8a7409608 |
15 | 508cc9ce6 |
hex | 301d05158 |
12915331416 has 112 divisors (see below), whose sum is σ = 39100894560. Its totient is φ = 3973924800.
The previous prime is 12915331397. The next prime is 12915331441. The reversal of 12915331416 is 61413351921.
12915331416 is a `hidden beast` number, since 1 + 291 + 53 + 314 + 1 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9360 + ... + 160991.
It is an arithmetic number, because the mean of its divisors is an integer number (349115130).
Almost surely, 212915331416 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12915331416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19550447280).
12915331416 is an abundant number, since it is smaller than the sum of its proper divisors (26185563144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12915331416 is a wasteful number, since it uses less digits than its factorization.
12915331416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170388 (or 170369 counting only the distinct ones).
The product of its digits is 19440, while the sum is 36.
The spelling of 12915331416 in words is "twelve billion, nine hundred fifteen million, three hundred thirty-one thousand, four hundred sixteen".
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