| Base | Representation |
|---|---|
| bin | 1010101010000111… |
| … | …00000110110100000 |
| 3 | 112202202212021001010 |
| 4 | 11111003200312200 |
| 5 | 43204304423043 |
| 6 | 2343441140520 |
| 7 | 261536533530 |
| oct | 52503406640 |
| 9 | 15682767033 |
| 10 | 5721951648 |
| 11 | 247698aa66 |
| 12 | 113832a740 |
| 13 | 7025b580a |
| 14 | 3c3d114c0 |
| 15 | 237513133 |
| hex | 1550e0da0 |
5721951648 has 96 divisors (see below), whose sum is σ = 17243283456. Its totient is φ = 1627469568.
The previous prime is 5721951637. The next prime is 5721951659. The reversal of 5721951648 is 8461591275.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (5721951637) and next prime (5721951659).
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-3 number, since 3×57219516483 (a number of 30 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 5721951597 and 5721951606.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130765 + ... + 168947.
It is an arithmetic number, because the mean of its divisors is an integer number (179617536).
Almost surely, 25721951648 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 5721951648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8621641728).
5721951648 is an abundant number, since it is smaller than the sum of its proper divisors (11521331808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5721951648 is a wasteful number, since it uses less digits than its factorization.
5721951648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38426 (or 38418 counting only the distinct ones).
The product of its digits is 604800, while the sum is 48.
The square root of 5721951648 is about 75643.5829928752. The cubic root of 5721951648 is about 1788.6061835647.
The spelling of 5721951648 in words is "five billion, seven hundred twenty-one million, nine hundred fifty-one thousand, six hundred forty-eight".
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