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2010091001 = 5934069339
BaseRepresentation
bin111011111001111…
…1000110111111001
312012002100012110212
41313303320313321
513104040403001
6531243120505
7100545330422
oct16763706771
95162305425
102010091001
1194170a136
12481213135
1326059b479
14150d64649
15bb7077bb
hex77cf8df9

2010091001 has 4 divisors (see below), whose sum is σ = 2044160400. Its totient is φ = 1976021604.

The previous prime is 2010090983. The next prime is 2010091009. The reversal of 2010091001 is 1001900102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2010091001 - 226 = 1942982137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010091009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17034611 + ... + 17034728.

It is an arithmetic number, because the mean of its divisors is an integer number (511040100).

Almost surely, 22010091001 is an apocalyptic number.

It is an amenable number.

2010091001 is a deficient number, since it is larger than the sum of its proper divisors (34069399).

2010091001 is an equidigital number, since it uses as much as digits as its factorization.

2010091001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34069398.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 2010091001 is about 44834.0384194866. The cubic root of 2010091001 is about 1262.0364735127.

Adding to 2010091001 its reverse (1001900102), we get a palindrome (3011991103).

The spelling of 2010091001 in words is "two billion, ten million, ninety-one thousand, one".

Divisors: 1 59 34069339 2010091001