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1012112011 = 10163115881
BaseRepresentation
bin111100010100111…
…001101010001011
32121112110121200001
4330110321222023
54033100041021
6244233023431
734036544611
oct7424715213
92545417601
101012112011
1147a346809
12242b54b77
131318bb161
14985c16b1
155dcc5091
hex3c539a8b

1012112011 has 8 divisors (see below), whose sum is σ = 1023817248. Its totient is φ = 1000440000.

The previous prime is 1012111993. The next prime is 1012112021. The reversal of 1012112011 is 1102112101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012112011 - 27 = 1012111883 is a prime.

It is a super-3 number, since 3×10121120113 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012112021) 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, 55791 + ... + 71671.

It is an arithmetic number, because the mean of its divisors is an integer number (127977156).

Almost surely, 21012112011 is an apocalyptic number.

1012112011 is a deficient number, since it is larger than the sum of its proper divisors (11705237).

1012112011 is a wasteful number, since it uses less digits than its factorization.

1012112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16613.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1012112011 is about 31813.7079102704. The cubic root of 1012112011 is about 1004.0211457137.

Adding to 1012112011 its reverse (1102112101), we get a palindrome (2114224112).

It can be divided in two parts, 101 and 2112011, that added together give a palindrome (2112112).

The spelling of 1012112011 in words is "one billion, twelve million, one hundred twelve thousand, eleven".

Divisors: 1 101 631 15881 63731 1603981 10020911 1012112011