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5631431242040 = 235421334408031
BaseRepresentation
bin101000111110010101101…
…1101010111000100111000
3201221100201010101201020222
41101330223131113010320
51214231132344221130
615551013243235212
71120600054522262
oct121745335270470
921840633351228
105631431242040
11188130514144a
1276b4aab18b08
1331b070783736
141567c419ab32
159b746b7ece5
hex51f2b757138

5631431242040 has 32 divisors (see below), whose sum is σ = 12700817055360. Its totient is φ = 2247221961600.

The previous prime is 5631431242009. The next prime is 5631431242069. The reversal of 5631431242040 is 402421341365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167187176 + ... + 167220855.

It is an arithmetic number, because the mean of its divisors is an integer number (396900532980).

Almost surely, 25631431242040 is an apocalyptic number.

It is an amenable number.

5631431242040 is an abundant number, since it is smaller than the sum of its proper divisors (7069385813320).

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

5631431242040 is a wasteful number, since it uses less digits than its factorization.

5631431242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334408463 (or 334408459 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 5631431242040 in words is "five trillion, six hundred thirty-one billion, four hundred thirty-one million, two hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 421 842 1684 2105 3368 4210 8420 16840 334408031 668816062 1337632124 1672040155 2675264248 3344080310 6688160620 13376321240 140785781051 281571562102 563143124204 703928905255 1126286248408 1407857810510 2815715621020 5631431242040