| Base | Representation |
|---|---|
| bin | 101110100010010… |
| … | …1101000010000000 |
| 3 | 11000211021010200000 |
| 4 | 1131010231002000 |
| 5 | 11144221422422 |
| 6 | 414540400000 |
| 7 | 53460436164 |
| oct | 13504550200 |
| 9 | 4024233600 |
| 10 | 1561514112 |
| 11 | 731485734 |
| 12 | 376b46000 |
| 13 | 1bb67c462 |
| 14 | 10b556ca4 |
| 15 | 9214acac |
| hex | 5d12d080 |
1561514112 has 192 divisors, whose sum is σ = 4741988160. Its totient is φ = 511349760.
The previous prime is 1561514111. The next prime is 1561514153. The reversal of 1561514112 is 2114151651.
1561514112 is a `hidden beast` number, since 1 + 5 + 615 + 1 + 41 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (192).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (1561514111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1896933 + ... + 1897755.
It is an arithmetic number, because the mean of its divisors is an integer number (24697855).
Almost surely, 21561514112 is an apocalyptic number.
1561514112 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 1561514112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2370994080).
1561514112 is an abundant number, since it is smaller than the sum of its proper divisors (3180474048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1561514112 is an frugal number, since it uses more digits than its factorization.
1561514112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 913 (or 889 counting only the distinct ones).
The product of its digits is 1200, while the sum is 27.
The square root of 1561514112 is about 39515.9981779532. The cubic root of 1561514112 is about 1160.1530990952.
Adding to 1561514112 its reverse (2114151651), we get a palindrome (3675665763).
The spelling of 1561514112 in words is "one billion, five hundred sixty-one million, five hundred fourteen thousand, one hundred twelve".
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