Search a number
-
+
2011011042 = 231198727961
BaseRepresentation
bin111011111011101…
…1001011111100010
312012011001221112110
41313313121133202
513104304323132
6531314540150
7100556211645
oct16767313742
95164057473
102011011042
119421883a7
12481597656
13260831181
14151123a5c
15bb83a1cc
hex77dd97e2

2011011042 has 16 divisors (see below), whose sum is σ = 4022501472. Its totient is φ = 670257120.

The previous prime is 2011011011. The next prime is 2011011077. The reversal of 2011011042 is 2401101102.

It is a happy number.

It is a super-2 number, since 2×20110110422 = 8088330822091851528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57942 + ... + 85902.

It is an arithmetic number, because the mean of its divisors is an integer number (251406342).

Almost surely, 22011011042 is an apocalyptic number.

2011011042 is an abundant number, since it is smaller than the sum of its proper divisors (2011490430).

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

2011011042 is a wasteful number, since it uses less digits than its factorization.

2011011042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39953.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2011011042 is about 44844.2977645988. The cubic root of 2011011042 is about 1262.2289935180.

Adding to 2011011042 its reverse (2401101102), we get a palindrome (4412112144).

The spelling of 2011011042 in words is "two billion, eleven million, eleven thousand, forty-two".

Divisors: 1 2 3 6 11987 23974 27961 35961 55922 71922 83883 167766 335168507 670337014 1005505521 2011011042