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2001112141 = 71136134127
BaseRepresentation
bin111011101000110…
…1000110001001101
312011110110000210111
41313101220301031
513044241042031
6530322440021
7100406113120
oct16721506115
95143400714
102001112141
11937637196
1247a203011
1325b776632
1414daa83b7
15baa321b1
hex77468c4d

2001112141 has 16 divisors (see below), whose sum is σ = 2311547904. Its totient is φ = 1696875264.

The previous prime is 2001112121. The next prime is 2001112147. The reversal of 2001112141 is 1412111002.

It is not a de Polignac number, because 2001112141 - 227 = 1866894413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001112147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482820 + ... + 486946.

It is an arithmetic number, because the mean of its divisors is an integer number (144471744).

Almost surely, 22001112141 is an apocalyptic number.

It is an amenable number.

2001112141 is a deficient number, since it is larger than the sum of its proper divisors (310435763).

2001112141 is a wasteful number, since it uses less digits than its factorization.

2001112141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860.

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

The square root of 2001112141 is about 44733.7919362980. The cubic root of 2001112141 is about 1260.1545415970.

Adding to 2001112141 its reverse (1412111002), we get a palindrome (3413223143).

The spelling of 2001112141 in words is "two billion, one million, one hundred twelve thousand, one hundred forty-one".

Divisors: 1 7 113 613 791 4127 4291 28889 69269 466351 484883 2529851 3264457 17708957 285873163 2001112141