Search a number
-
+
10021104020 = 2253116939547
BaseRepresentation
bin10010101010100110…
…11110100110010100
3221212101110211101202
421111103132212110
5131010400312040
64334215012032
7503221656464
oct112523364624
927771424352
1010021104020
114282719854
121b3806a018
13c39199265
146b0c97ba4
153d9b7b015
hex2554de994

10021104020 has 48 divisors (see below), whose sum is σ = 21738275328. Its totient is φ = 3876439680.

The previous prime is 10021104017. The next prime is 10021104043. The reversal of 10021104020 is 2040112001.

10021104020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10021103992 and 10021104010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044887 + ... + 1054433.

It is an arithmetic number, because the mean of its divisors is an integer number (452880736).

Almost surely, 210021104020 is an apocalyptic number.

10021104020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021104020 is an abundant number, since it is smaller than the sum of its proper divisors (11717171308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021104020 is a wasteful number, since it uses less digits than its factorization.

10021104020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11280 (or 11278 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10021104020 its reverse (2040112001), we get a palindrome (12061216021).

The spelling of 10021104020 in words is "ten billion, twenty-one million, one hundred four thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1693 3386 6772 8465 9547 16930 19094 33860 38188 47735 52483 95470 104966 190940 209932 262415 295957 524830 591914 1049660 1183828 1479785 2959570 5919140 16163071 32326142 64652284 80815355 161630710 323261420 501055201 1002110402 2004220804 2505276005 5010552010 10021104020