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2013190511 = 16765318461
BaseRepresentation
bin111011111111110…
…1101100101101111
312012022011200012112
41313333231211233
513110334044021
6531433354235
7100613560043
oct16777554557
95168150175
102013190511
11943436912
1248226897b
132611151b7
14151530023
15bbb1ad5b
hex77fed96f

2013190511 has 8 divisors (see below), whose sum is σ = 2028456864. Its totient is φ = 1997962720.

The previous prime is 2013190471. The next prime is 2013190513. The reversal of 2013190511 is 1150913102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2013190511 is a prime.

It is a super-2 number, since 2×20131905112 = 8105872067160882242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013190513) 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, 99821 + ... + 118281.

It is an arithmetic number, because the mean of its divisors is an integer number (253557108).

Almost surely, 22013190511 is an apocalyptic number.

2013190511 is a deficient number, since it is larger than the sum of its proper divisors (15266353).

2013190511 is a wasteful number, since it uses less digits than its factorization.

2013190511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19281.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 2013190511 is about 44868.5915869888. The cubic root of 2013190511 is about 1262.6848165993.

The spelling of 2013190511 in words is "two billion, thirteen million, one hundred ninety thousand, five hundred eleven".

Divisors: 1 167 653 18461 109051 3082987 12055033 2013190511