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2013111209085 = 35974433123209
BaseRepresentation
bin11101010010110110110…
…001110100110001111101
321010110012011220021121120
4131102312301310301331
5230440322432142320
64140451023421153
7265304525641314
oct35226661646175
97113164807546
102013111209085
11706834883279
122861a2a547b9
13117ab29a2862
146d613cc727b
153757409a440
hex1d4b6c74c7d

2013111209085 has 32 divisors (see below), whose sum is σ = 3261530724480. Its totient is φ = 1060191694848.

The previous prime is 2013111209063. The next prime is 2013111209173. The reversal of 2013111209085 is 5809021113102.

It is not a de Polignac number, because 2013111209085 - 29 = 2013111208573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 917040 + ... + 2206169.

It is an arithmetic number, because the mean of its divisors is an integer number (101922835140).

Almost surely, 22013111209085 is an apocalyptic number.

It is an amenable number.

2013111209085 is a deficient number, since it is larger than the sum of its proper divisors (1248419515395).

2013111209085 is a wasteful number, since it uses less digits than its factorization.

2013111209085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123757.

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 2013111209085 in words is "two trillion, thirteen billion, one hundred eleven million, two hundred nine thousand, eighty-five".

Divisors: 1 3 5 15 97 291 443 485 1329 1455 2215 6645 42971 128913 214855 644565 3123209 9369627 15616045 46848135 302951273 908853819 1383581587 1514756365 4150744761 4544269095 6917907935 20753723805 134207413939 402622241817 671037069695 2013111209085