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2331140233240 = 23571331107193073
BaseRepresentation
bin100001111011000010110…
…010010001100000011000
322020212002011121122001001
4201323002302101200120
5301143133344430430
64542524441234344
7330263554021420
oct41730262214030
98225064548031
102331140233240
118196a3986235
1231795a1929b4
1313ba96a547a0
1480b8364d480
15409894473ca
hex21ec2c91818

2331140233240 has 256 divisors, whose sum is σ = 6726018539520. Its totient is φ = 707292241920.

The previous prime is 2331140233211. The next prime is 2331140233277. The reversal of 2331140233240 is 423320411332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2331140233199 and 2331140233208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11977344 + ... + 12170416.

It is an arithmetic number, because the mean of its divisors is an integer number (26273509920).

Almost surely, 22331140233240 is an apocalyptic number.

2331140233240 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 2331140233240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3363009269760).

2331140233240 is an abundant number, since it is smaller than the sum of its proper divisors (4394878306280).

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

2331140233240 is a wasteful number, since it uses less digits than its factorization.

2331140233240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193242 (or 193238 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2331140233240 its reverse (423320411332), we get a palindrome (2754460644572).

The spelling of 2331140233240 in words is "two trillion, three hundred thirty-one billion, one hundred forty million, two hundred thirty-three thousand, two hundred forty".