Search a number
-
+
10021749230 = 254212380463
BaseRepresentation
bin10010101010101011…
…11100000111101110
3221212102200121110102
421111111330013232
5131011031433410
64334240511102
7503230314533
oct112525740756
927772617412
1010021749230
11428301a589
121b3831b492
13c39363b3c
146b0dc4d8a
153d9c572a5
hex25557c1ee

10021749230 has 16 divisors (see below), whose sum is σ = 18082004544. Its totient is φ = 3999176160.

The previous prime is 10021749113. The next prime is 10021749239. The reversal of 10021749230 is 3294712001.

It is a junction number, because it is equal to n+sod(n) for n = 10021749193 and 10021749202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021749239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186022 + ... + 1194441.

It is an arithmetic number, because the mean of its divisors is an integer number (1130125284).

Almost surely, 210021749230 is an apocalyptic number.

10021749230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021749230 is a deficient number, since it is larger than the sum of its proper divisors (8060255314).

10021749230 is a wasteful number, since it uses less digits than its factorization.

10021749230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380891.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 10021749230 in words is "ten billion, twenty-one million, seven hundred forty-nine thousand, two hundred thirty".

Divisors: 1 2 5 10 421 842 2105 4210 2380463 4760926 11902315 23804630 1002174923 2004349846 5010874615 10021749230