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2001031220010 = 235597115922903
BaseRepresentation
bin11101000111100110110…
…000010100101100101010
321002022000022021020212210
4131013212300110230222
5230241102443020020
64131132215345550
7264366263505264
oct35074660245452
97068008236783
102001031220010
117016a5a58729
122839913822b6
131169090b2924
146cbc9806b34
15370b87c93e0
hex1d1e6c14b2a

2001031220010 has 64 divisors (see below), whose sum is σ = 4952660060160. Its totient is φ = 517175856960.

The previous prime is 2001031220009. The next prime is 2001031220047. The reversal of 2001031220010 is 100221301002.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7835782 + ... + 8087121.

It is an arithmetic number, because the mean of its divisors is an integer number (77385313440).

Almost surely, 22001031220010 is an apocalyptic number.

2001031220010 is an abundant number, since it is smaller than the sum of its proper divisors (2951628840150).

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

2001031220010 is a wasteful number, since it uses less digits than its factorization.

2001031220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15923043.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2001031220010 its reverse (100221301002), we get a palindrome (2101252521012).

The spelling of 2001031220010 in words is "two trillion, one billion, thirty-one million, two hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 59 71 118 142 177 213 295 354 355 426 590 710 885 1065 1770 2130 4189 8378 12567 20945 25134 41890 62835 125670 15922903 31845806 47768709 79614515 95537418 159229030 238843545 477687090 939451277 1130526113 1878902554 2261052226 2818353831 3391578339 4697256385 5636707662 5652630565 6783156678 9394512770 11305261130 14091769155 16957891695 28183538310 33915783390 66701040667 133402081334 200103122001 333505203335 400206244002 667010406670 1000515610005 2001031220010