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2011101213 = 31160942461
BaseRepresentation
bin111011111011110…
…1111100000011101
312012011020112020010
41313313233200131
513104320214323
6531320513433
7100560035562
oct16767574035
95164215203
102011101213
1194223a120
1248161b879
13260863224
14151148869
15bb856c93
hex77def81d

2011101213 has 8 divisors (see below), whose sum is σ = 2925238176. Its totient is φ = 1218849200.

The previous prime is 2011101179. The next prime is 2011101221. The reversal of 2011101213 is 3121011102.

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 2011101213 - 26 = 2011101149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011101263) 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, 30471198 + ... + 30471263.

It is an arithmetic number, because the mean of its divisors is an integer number (365654772).

Almost surely, 22011101213 is an apocalyptic number.

It is an amenable number.

2011101213 is a deficient number, since it is larger than the sum of its proper divisors (914136963).

2011101213 is a wasteful number, since it uses less digits than its factorization.

2011101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60942475.

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

The square root of 2011101213 is about 44845.3031319892. The cubic root of 2011101213 is about 1262.2478587799.

Adding to 2011101213 its reverse (3121011102), we get a palindrome (5132112315).

The spelling of 2011101213 in words is "two billion, eleven million, one hundred one thousand, two hundred thirteen".

Divisors: 1 3 11 33 60942461 182827383 670367071 2011101213