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2011111210000 = 2454719373023
BaseRepresentation
bin11101010000111111100…
…100011011110000010000
321010021000210112210122101
4131100333210123300100
5230422223432210000
64135520340450144
7265204132142224
oct35207744336020
97107023483571
102011111210000
117059a8937372
122859250a9954
13117854528a49
146d4a442c784
15374a86d7e6a
hex1d43f91bc10

2011111210000 has 200 divisors, whose sum is σ = 4944585026304. Its totient is φ = 792005760000.

The previous prime is 2011111209967. The next prime is 2011111210001. The reversal of 2011111210000 is 121111102.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2011111210001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 665268489 + ... + 665271511.

Almost surely, 22011111210000 is an apocalyptic number.

2011111210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011111210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2472292513152).

2011111210000 is an abundant number, since it is smaller than the sum of its proper divisors (2933473816304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011111210000 is an equidigital number, since it uses as much as digits as its factorization.

2011111210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059 (or 4038 counting only the distinct ones).

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

Adding to 2011111210000 its reverse (121111102), we get a palindrome (2011232321102).

The spelling of 2011111210000 in words is "two trillion, eleven billion, one hundred eleven million, two hundred ten thousand".