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2001010222 = 21277877993
BaseRepresentation
bin111011101000100…
…1111111000101110
312011110020211222201
41313101033320232
513044224311342
6530320332114
7100405210021
oct16721177056
95143224881
102001010222
11937577662
1247a17403a
1325b73c123
1414da7d1b8
15baa11db7
hex7744fe2e

2001010222 has 8 divisors (see below), whose sum is σ = 3025149696. Its totient is φ = 992626992.

The previous prime is 2001010169. The next prime is 2001010247. The reversal of 2001010222 is 2220101002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2001010199 and 2001010208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3938743 + ... + 3939250.

It is an arithmetic number, because the mean of its divisors is an integer number (378143712).

Almost surely, 22001010222 is an apocalyptic number.

2001010222 is a deficient number, since it is larger than the sum of its proper divisors (1024139474).

2001010222 is a wasteful number, since it uses less digits than its factorization.

2001010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878122.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2001010222 is about 44732.6527494178. The cubic root of 2001010222 is about 1260.1331475151.

Adding to 2001010222 its reverse (2220101002), we get a palindrome (4221111224).

The spelling of 2001010222 in words is "two billion, one million, ten thousand, two hundred twenty-two".

Divisors: 1 2 127 254 7877993 15755986 1000505111 2001010222