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2021303023101 = 321506071491227
BaseRepresentation
bin11101011010011111000…
…011000111010111111101
321011020100002020112212200
4131122133003013113331
5231104112033214401
64144323534422113
7266014526133105
oct35323703072775
97136302215780
102021303023101
1170a2589523aa
122878aa361939
131187b9b94c9b
146db8dc42205
15378a3334686
hex1d69f0c75fd

2021303023101 has 12 divisors (see below), whose sum is σ = 2919681266112. Its totient is φ = 1347525497736.

The previous prime is 2021303023057. The next prime is 2021303023121. The reversal of 2021303023101 is 1013203031202.

2021303023101 is a `hidden beast` number, since 2 + 0 + 21 + 30 + 302 + 310 + 1 = 666.

It is not a de Polignac number, because 2021303023101 - 26 = 2021303023037 is a prime.

It is a super-2 number, since 2×20213030231012 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021303023121) 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, 609850 + ... + 2101076.

It is an arithmetic number, because the mean of its divisors is an integer number (243306772176).

Almost surely, 22021303023101 is an apocalyptic number.

It is an amenable number.

2021303023101 is a deficient number, since it is larger than the sum of its proper divisors (898378243011).

2021303023101 is a wasteful number, since it uses less digits than its factorization.

2021303023101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641840 (or 1641837 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2021303023101 its reverse (1013203031202), we get a palindrome (3034506054303).

The spelling of 2021303023101 in words is "two trillion, twenty-one billion, three hundred three million, twenty-three thousand, one hundred one".

Divisors: 1 3 9 150607 451821 1355463 1491227 4473681 13421043 224589224789 673767674367 2021303023101