Search a number
-
+
4281557056829 = 13289284659069
BaseRepresentation
bin111110010011100000101…
…011111111110100111101
3120011022110001222010211222
4332103200223333310331
51030122112101304304
613034530430523125
7621221655335033
oct76234053776475
916138401863758
104281557056829
11140088637a778
125919649664a5
132509979cb100
1410b32acb2553
157658e4684be
hex3e4e0affd3d

4281557056829 has 12 divisors (see below), whose sum is σ = 4688334882900. Its totient is φ = 3907799685504.

The previous prime is 4281557056813. The next prime is 4281557056873. The reversal of 4281557056829 is 9286507551824.

It can be written as a sum of positive squares in 6 ways, for example, as 1589873853604 + 2691683203225 = 1260902^2 + 1640635^2 .

It is not a de Polignac number, because 4281557056829 - 24 = 4281557056813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4281557056129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142314494 + ... + 142344575.

It is an arithmetic number, because the mean of its divisors is an integer number (390694573575).

Almost surely, 24281557056829 is an apocalyptic number.

It is an amenable number.

4281557056829 is a deficient number, since it is larger than the sum of its proper divisors (406777826071).

4281557056829 is a wasteful number, since it uses less digits than its factorization.

4281557056829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284659184 (or 284659171 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 62.

The spelling of 4281557056829 in words is "four trillion, two hundred eighty-one billion, five hundred fifty-seven million, fifty-six thousand, eight hundred twenty-nine".

Divisors: 1 13 89 169 1157 15041 284659069 3700567897 25334657141 48107382661 329350542833 4281557056829