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120870439838 = 264793408377
BaseRepresentation
bin111000010010001110…
…0001000101110011110
3102112222200001112110222
41300210130020232132
53440020313033323
6131305505001342
711506165533611
oct1604434105636
9375880045428
10120870439838
1147296237495
121b513323252
13b523631025
145bc8baa178
1532265e39c8
hex1c24708b9e

120870439838 has 8 divisors (see below), whose sum is σ = 181585886832. Its totient is φ = 60341810896.

The previous prime is 120870439817. The next prime is 120870439867. The reversal of 120870439838 is 838934078021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 120870439838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46702895 + ... + 46705482.

It is an arithmetic number, because the mean of its divisors is an integer number (22698235854).

Almost surely, 2120870439838 is an apocalyptic number.

120870439838 is a deficient number, since it is larger than the sum of its proper divisors (60715446994).

120870439838 is an equidigital number, since it uses as much as digits as its factorization.

120870439838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93409026.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 120870439838 in words is "one hundred twenty billion, eight hundred seventy million, four hundred thirty-nine thousand, eight hundred thirty-eight".

Divisors: 1 2 647 1294 93408377 186816754 60435219919 120870439838