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2231400134400 = 283521061109537
BaseRepresentation
bin100000011110001001110…
…011111111011100000000
321220022122010000122011020
4200132021303333130000
5243024401413300100
64425031400545440
7320133114123303
oct40361163773400
97808563018136
102231400134400
11790371226788
12300563482280
13132560043318
147a000d24b3a
153d09ce4a5a0
hex20789cff700

2231400134400 has 216 divisors, whose sum is σ = 7371093313584. Its totient is φ = 594473779200.

The previous prime is 2231400134387. The next prime is 2231400134419. The reversal of 2231400134400 is 44310041322.

It is a super-3 number, since 3×22314001344003 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20316432 + ... + 20425968.

Almost surely, 22231400134400 is an apocalyptic number.

2231400134400 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 2231400134400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3685546656792).

2231400134400 is an abundant number, since it is smaller than the sum of its proper divisors (5139693179184).

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

2231400134400 is a wasteful number, since it uses less digits than its factorization.

2231400134400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110627 (or 110608 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2231400134400 its reverse (44310041322), we get a palindrome (2275710175722).

The spelling of 2231400134400 in words is "two trillion, two hundred thirty-one billion, four hundred million, one hundred thirty-four thousand, four hundred".