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43138925294 = 225518455297
BaseRepresentation
bin101000001011010001…
…111100001011101110
311010100102111110111212
4220023101330023232
51201322031102134
631452344514422
73055010546333
oct501321741356
9133312443455
1043138925294
1117327887083
12843b17ba12
1340b6488bca
14213341898a
1511c736dbce
hexa0b47c2ee

43138925294 has 8 divisors (see below), whose sum is σ = 64733761488. Its totient is φ = 21561004800.

The previous prime is 43138925273. The next prime is 43138925309. The reversal of 43138925294 is 49252983134.

It is a happy number.

43138925294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×431389252943 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4222547 + ... + 4232750.

It is an arithmetic number, because the mean of its divisors is an integer number (8091720186).

Almost surely, 243138925294 is an apocalyptic number.

43138925294 is a deficient number, since it is larger than the sum of its proper divisors (21594836194).

43138925294 is a wasteful number, since it uses less digits than its factorization.

43138925294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457850.

The product of its digits is 1866240, while the sum is 50.

The spelling of 43138925294 in words is "forty-three billion, one hundred thirty-eight million, nine hundred twenty-five thousand, two hundred ninety-four".

Divisors: 1 2 2551 5102 8455297 16910594 21569462647 43138925294