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10210021201020 = 2235170167020017
BaseRepresentation
bin1001010010010011010010…
…1011111101010001111100
31100011001211221011200210010
42110210310223331101330
52314240110411413040
633414230300143220
72102435562163644
oct224446453752174
940131757150703
1010210021201020
11328705587a933
12118a92b537b10
13590a54678b34
1427424c0d1524
1512a8bd061e80
hex94934afd47c

10210021201020 has 24 divisors (see below), whose sum is σ = 28588059363024. Its totient is φ = 2722672320256.

The previous prime is 10210021201013. The next prime is 10210021201057. The reversal of 10210021201020 is 2010212001201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10210021200987 and 10210021201005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85083509949 + ... + 85083510068.

It is an arithmetic number, because the mean of its divisors is an integer number (1191169140126).

Almost surely, 210210021201020 is an apocalyptic number.

10210021201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210021201020 is an abundant number, since it is smaller than the sum of its proper divisors (18378038162004).

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

10210021201020 is a wasteful number, since it uses less digits than its factorization.

10210021201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170167020029 (or 170167020027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10210021201020 its reverse (2010212001201), we get a palindrome (12220233202221).

The spelling of 10210021201020 in words is "ten trillion, two hundred ten billion, twenty-one million, two hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 170167020017 340334040034 510501060051 680668080068 850835100085 1021002120102 1701670200170 2042004240204 2552505300255 3403340400340 5105010600510 10210021201020