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2001012022010 = 251738330732791
BaseRepresentation
bin11101000111100101100…
…111000101101011111010
321002021221222010220011202
4131013211213011223322
5230241033034201020
64131130252054202
7264365641356401
oct35074547055372
97067858126152
102001012022010
11701696135a11
12283986a64362
13116905120571
146cbc704a638
15370b6c85e75
hex1d1e59c5afa

2001012022010 has 32 divisors (see below), whose sum is σ = 3823651049472. Its totient is φ = 751355249920.

The previous prime is 2001012022007. The next prime is 2001012022013. The reversal of 2001012022010 is 102202101002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2001012022007) and next prime (2001012022013).

It is a super-2 number, since 2×20010120220102 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001012021982 and 2001012022000.

It is not an unprimeable number, because it can be changed into a prime (2001012022013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15301286 + ... + 15431505.

It is an arithmetic number, because the mean of its divisors is an integer number (119489095296).

Almost surely, 22001012022010 is an apocalyptic number.

2001012022010 is a deficient number, since it is larger than the sum of its proper divisors (1822639027462).

2001012022010 is a wasteful number, since it uses less digits than its factorization.

2001012022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30733198.

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

Adding to 2001012022010 its reverse (102202101002), we get a palindrome (2103214123012).

The spelling of 2001012022010 in words is "two trillion, one billion, twelve million, twenty-two thousand, ten".

Divisors: 1 2 5 10 17 34 85 170 383 766 1915 3830 6511 13022 32555 65110 30732791 61465582 153663955 307327910 522457447 1044914894 2612287235 5224574470 11770658953 23541317906 58853294765 117706589530 200101202201 400202404402 1000506011005 2001012022010