| Base | Representation |
|---|---|
| bin | 101000001001001… |
| … | …0100111100100000 |
| 3 | 10110212120202110210 |
| 4 | 1100102110330200 |
| 5 | 10224311403124 |
| 6 | 341354254120 |
| 7 | 45244104150 |
| oct | 12022247440 |
| 9 | 3425522423 |
| 10 | 1346981664 |
| 11 | 631377296 |
| 12 | 317127340 |
| 13 | 1860a7592 |
| 14 | cac70760 |
| 15 | 7d3c0a29 |
| hex | 50494f20 |
1346981664 has 96 divisors (see below), whose sum is σ = 4059054720. Its totient is φ = 383127552.
The previous prime is 1346981663. The next prime is 1346981681. The reversal of 1346981664 is 4661896431.
It is a tau number, because it is divible by the number of its divisors (96).
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 not an unprimeable number, because it can be changed into a prime (1346981663) 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 15 ways as a sum of consecutive naturals, for example, 149512 + ... + 158264.
It is an arithmetic number, because the mean of its divisors is an integer number (42281820).
Almost surely, 21346981664 is an apocalyptic number.
1346981664 is a gapful number since it is divisible by the number (14) 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 1346981664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2029527360).
1346981664 is an abundant number, since it is smaller than the sum of its proper divisors (2712073056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1346981664 is a wasteful number, since it uses less digits than its factorization.
1346981664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9002 (or 8994 counting only the distinct ones).
The product of its digits is 746496, while the sum is 48.
The square root of 1346981664 is about 36701.2488070910. The cubic root of 1346981664 is about 1104.3851575681.
The spelling of 1346981664 in words is "one billion, three hundred forty-six million, nine hundred eighty-one thousand, six hundred sixty-four".
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