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2431451422340 = 225121572571117
BaseRepresentation
bin100011011000011101110…
…011000101111010000100
322121110000000211000110222
4203120131303011322010
5304314103031003330
65100554322203512
7340444430040653
oct43303563057204
98543000730428
102431451422340
11858199a38306
123332941b3598
13148391b7bb95
148597bb5719a
15433aab510e5
hex2361dcc5e84

2431451422340 has 12 divisors (see below), whose sum is σ = 5106047986956. Its totient is φ = 972580568928.

The previous prime is 2431451422339. The next prime is 2431451422349. The reversal of 2431451422340 is 432241541342.

It can be written as a sum of positive squares in 2 ways, for example, as 1791105775684 + 640345646656 = 1338322^2 + 800216^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2431451422340.

It is not an unprimeable number, because it can be changed into a prime (2431451422349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60786285539 + ... + 60786285578.

It is an arithmetic number, because the mean of its divisors is an integer number (425503998913).

Almost surely, 22431451422340 is an apocalyptic number.

2431451422340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431451422340 is an abundant number, since it is smaller than the sum of its proper divisors (2674596564616).

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

2431451422340 is a wasteful number, since it uses less digits than its factorization.

2431451422340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121572571126 (or 121572571124 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 2431451422340 its reverse (432241541342), we get a palindrome (2863692963682).

The spelling of 2431451422340 in words is "two trillion, four hundred thirty-one billion, four hundred fifty-one million, four hundred twenty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 121572571117 243145142234 486290284468 607862855585 1215725711170 2431451422340