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70857940814 = 21947379104681
BaseRepresentation
bin100000111111101110…
…1100101111101001110
320202220012201100102022
41001333131211331032
52130104113101224
652315055330142
75055632362553
oct1017735457516
9222805640368
1070857940814
1128061507771
1211896220952
1368b310613b
143602944a2a
151c9aad065e
hex107f765f4e

70857940814 has 32 divisors (see below), whose sum is σ = 114563980800. Its totient is φ = 32763165120.

The previous prime is 70857940789. The next prime is 70857940831. The reversal of 70857940814 is 41804975807.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 624554 + ... + 729234.

It is an arithmetic number, because the mean of its divisors is an integer number (3580124400).

Almost surely, 270857940814 is an apocalyptic number.

70857940814 is a deficient number, since it is larger than the sum of its proper divisors (43706039986).

70857940814 is a wasteful number, since it uses less digits than its factorization.

70857940814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105128.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 70857940814 in words is "seventy billion, eight hundred fifty-seven million, nine hundred forty thousand, eight hundred fourteen".

Divisors: 1 2 19 38 47 94 379 758 893 1786 7201 14402 17813 35626 104681 209362 338447 676894 1988939 3977878 4920007 9840014 39674099 79348198 93480133 186960266 753807881 1507615762 1864682653 3729365306 35428970407 70857940814