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2213221020000 = 25354109338413
BaseRepresentation
bin100000001101001110010…
…000001011000101100000
321211120201011210221100220
4200031032100023011200
5242230134040120000
64412423435243040
7315620452161624
oct40151620130540
97746634727326
102213221020000
11783692626aa1
122b8b2b2a9480
1313092398bcb3
14791987d1184
153c886eb11a0
hex2034e40b160

2213221020000 has 240 divisors, whose sum is σ = 7326432978480. Its totient is φ = 584775936000.

The previous prime is 2213221019969. The next prime is 2213221020041. The reversal of 2213221020000 is 201223122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6370794 + ... + 6709206.

It is an arithmetic number, because the mean of its divisors is an integer number (30526804077).

Almost surely, 22213221020000 is an apocalyptic number.

2213221020000 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 2213221020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3663216489240).

2213221020000 is an abundant number, since it is smaller than the sum of its proper divisors (5113211958480).

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

2213221020000 is a wasteful number, since it uses less digits than its factorization.

2213221020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338555 (or 338532 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2213221020000 its reverse (201223122), we get a palindrome (2213422243122).

The spelling of 2213221020000 in words is "two trillion, two hundred thirteen billion, two hundred twenty-one million, twenty thousand".