Base | Representation |
---|---|
bin | 11100110110000000… |
… | …11100001111000000 |
3 | 1110222012200012022010 |
4 | 32123000130033000 |
5 | 223203241023031 |
6 | 11040335412520 |
7 | 1055513313360 |
oct | 163300341700 |
9 | 43865605263 |
10 | 15485486016 |
11 | 6627175930 |
12 | 3002084140 |
13 | 15ca2bbaa0 |
14 | a6c8bc9a0 |
15 | 609762246 |
hex | 39b01c3c0 |
15485486016 has 448 divisors, whose sum is σ = 55425807360. Its totient is φ = 3684925440.
The previous prime is 15485485991. The next prime is 15485486057. The reversal of 15485486016 is 61068458451.
It is a tau number, because it is divible by the number of its divisors (448).
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37861620 + ... + 37862028.
It is an arithmetic number, because the mean of its divisors is an integer number (123718320).
Almost surely, 215485486016 is an apocalyptic number.
15485486016 is a gapful number since it is divisible by the number (16) 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 15485486016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27712903680).
15485486016 is an abundant number, since it is smaller than the sum of its proper divisors (39940321344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15485486016 is a wasteful number, since it uses less digits than its factorization.
15485486016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 652 (or 642 counting only the distinct ones).
The product of its (nonzero) digits is 921600, while the sum is 48.
It can be divided in two parts, 15485 and 486016, that added together give a triangular number (501501 = T1001).
The spelling of 15485486016 in words is "fifteen billion, four hundred eighty-five million, four hundred eighty-six thousand, sixteen".
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