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2011101142 = 24347497551
BaseRepresentation
bin111011111011110…
…1111011111010110
312012011020112010111
41313313233133112
513104320214032
6531320513234
7100560035431
oct16767573726
95164215114
102011101142
1194223a066
1248161b81a
1326086319b
14151148818
15bb856c47
hex77def7d6

2011101142 has 16 divisors (see below), whose sum is σ = 3152489472. Its totient is φ = 961266600.

The previous prime is 2011101137. The next prime is 2011101143. The reversal of 2011101142 is 2411011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011101143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244734 + ... + 252817.

It is an arithmetic number, because the mean of its divisors is an integer number (197030592).

Almost surely, 22011101142 is an apocalyptic number.

2011101142 is a deficient number, since it is larger than the sum of its proper divisors (1141388330).

2011101142 is a wasteful number, since it uses less digits than its factorization.

2011101142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497643.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2011101142 is about 44845.3023403790. The cubic root of 2011101142 is about 1262.2478439257.

Adding to 2011101142 its reverse (2411011102), we get a palindrome (4422112244).

The spelling of 2011101142 in words is "two billion, eleven million, one hundred one thousand, one hundred forty-two".

Divisors: 1 2 43 47 86 94 2021 4042 497551 995102 21394693 23384897 42789386 46769794 1005550571 2011101142