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85719000782 = 257175060421
BaseRepresentation
bin100111111010101000…
…0000010011011001110
322012020220102102012202
41033311100002123032
52401023031011112
6103213451401502
76123124325162
oct1176520023316
9265226372182
1085719000782
1133398161008
1214743153292
138110c2644c
14421251cca2
15236a5ec6c2
hex13f54026ce

85719000782 has 8 divisors (see below), whose sum is σ = 128803684152. Its totient is φ = 42784439400.

The previous prime is 85719000779. The next prime is 85719000793. The reversal of 85719000782 is 28700091758.

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

It is a super-2 number, since 2×857190007822 (a number of 23 digits) contains 22 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, 37529069 + ... + 37531352.

It is an arithmetic number, because the mean of its divisors is an integer number (16100460519).

Almost surely, 285719000782 is an apocalyptic number.

85719000782 is a deficient number, since it is larger than the sum of its proper divisors (43084683370).

85719000782 is a wasteful number, since it uses less digits than its factorization.

85719000782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75060994.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 85719000782 in words is "eighty-five billion, seven hundred nineteen million, seven hundred eighty-two", and thus it is an aban number.

Divisors: 1 2 571 1142 75060421 150120842 42859500391 85719000782