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85032105290 = 2511773019139
BaseRepresentation
bin100111100110001001…
…1101111010101001010
322010111000220111201222
41033030103233111022
52343121204332130
6103021353042042
76100113653336
oct1171423572512
9263430814658
1085032105290
1133075452290
12145910b6322
138031824a02
1441891d67c6
15232a167ce5
hex13cc4ef54a

85032105290 has 16 divisors (see below), whose sum is σ = 166972134240. Its totient is φ = 30920765520.

The previous prime is 85032105289. The next prime is 85032105293. The reversal of 85032105290 is 9250123058.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 85032105290.

It is not an unprimeable number, because it can be changed into a prime (85032105293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386509460 + ... + 386509679.

It is an arithmetic number, because the mean of its divisors is an integer number (10435758390).

Almost surely, 285032105290 is an apocalyptic number.

85032105290 is a deficient number, since it is larger than the sum of its proper divisors (81940028950).

85032105290 is a wasteful number, since it uses less digits than its factorization.

85032105290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773019157.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 85032105290 in words is "eighty-five billion, thirty-two million, one hundred five thousand, two hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 773019139 1546038278 3865095695 7730191390 8503210529 17006421058 42516052645 85032105290