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2021000210010 = 233510769955009
BaseRepresentation
bin11101011010001100111…
…111111110011001011010
321011012112222110001102000
4131122030333332121122
5231103002023210020
64144233520221430
7266004161226105
oct35321477763132
97135488401360
102021000210010
1170a112a27451
12287824a6a876
1311876c220942
146db6193973c
153788696c090
hex1d68cffe65a

2021000210010 has 64 divisors (see below), whose sum is σ = 5439701577600. Its totient is φ = 533896621056.

The previous prime is 2021000209999. The next prime is 2021000210011. The reversal of 2021000210010 is 100120001202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2021000209974 and 2021000210001.

It is not an unprimeable number, because it can be changed into a prime (2021000210011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34948615 + ... + 35006394.

It is an arithmetic number, because the mean of its divisors is an integer number (84995337150).

Almost surely, 22021000210010 is an apocalyptic number.

2021000210010 is an abundant number, since it is smaller than the sum of its proper divisors (3418701367590).

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

2021000210010 is a wasteful number, since it uses less digits than its factorization.

2021000210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69955132 (or 69955126 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2021000210010 its reverse (100120001202), we get a palindrome (2121120211212).

The spelling of 2021000210010 in words is "two trillion, twenty-one billion, two hundred ten thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 107 135 214 270 321 535 642 963 1070 1605 1926 2889 3210 4815 5778 9630 14445 28890 69955009 139910018 209865027 349775045 419730054 629595081 699550090 1049325135 1259190162 1888785243 2098650270 3147975405 3777570486 6295950810 7485185963 9443926215 14970371926 18887852430 22455557889 37425929815 44911115778 67366673667 74851859630 112277789445 134733347334 202100021001 224555578890 336833368335 404200042002 673666736670 1010500105005 2021000210010