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19120838541 = 37910516121
BaseRepresentation
bin10001110011101100…
…001101011110001101
31211100120020020110020
4101303230031132031
5303124413313131
612441201532353
71244555305650
oct216354153615
954316206406
1019120838541
118122240002
1238576440b9
131a594c925c
14cd5631897
1576d9a8996
hex473b0d78d

19120838541 has 8 divisors (see below), whose sum is σ = 29136515904. Its totient is φ = 10926193440.

The previous prime is 19120838491. The next prime is 19120838543. The reversal of 19120838541 is 14583802191.

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

It is not a de Polignac number, because 19120838541 - 29 = 19120838029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19120838493 and 19120838502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19120838543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455258040 + ... + 455258081.

It is an arithmetic number, because the mean of its divisors is an integer number (3642064488).

Almost surely, 219120838541 is an apocalyptic number.

It is an amenable number.

19120838541 is a deficient number, since it is larger than the sum of its proper divisors (10015677363).

19120838541 is an equidigital number, since it uses as much as digits as its factorization.

19120838541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910516131.

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 19120838541 in words is "nineteen billion, one hundred twenty million, eight hundred thirty-eight thousand, five hundred forty-one".

Divisors: 1 3 7 21 910516121 2731548363 6373612847 19120838541