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1223011013013 = 32179099758743
BaseRepresentation
bin10001110011000001001…
…000110001000110010101
311022220210201222200120200
4101303001020301012111
5130014211304404023
62333502110251113
7154234232041356
oct21630110610625
94286721880520
101223011013013
11431748918819
1217903bab6a99
138b438a3183a
14432a0681d2d
1521c2ee73743
hex11cc1231195

1223011013013 has 12 divisors (see below), whose sum is σ = 1766583655200. Its totient is φ = 815335048296.

The previous prime is 1223011012973. The next prime is 1223011013027. The reversal of 1223011013013 is 3103101103221.

It is not a de Polignac number, because 1223011013013 - 29 = 1223011012501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223011013113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1232520 + ... + 1991262.

It is an arithmetic number, because the mean of its divisors is an integer number (147215304600).

Almost surely, 21223011013013 is an apocalyptic number.

It is an amenable number.

1223011013013 is a deficient number, since it is larger than the sum of its proper divisors (543572642187).

1223011013013 is a wasteful number, since it uses less digits than its factorization.

1223011013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937848 (or 937845 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1223011013013 its reverse (3103101103221), we get a palindrome (4326112116234).

The spelling of 1223011013013 in words is "one trillion, two hundred twenty-three billion, eleven million, thirteen thousand, thirteen".

Divisors: 1 3 9 179099 537297 758743 1611891 2276229 6828687 135890112557 407670337671 1223011013013