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94805763221 = 1329277907849
BaseRepresentation
bin101100001001011011…
…1010010010010010101
3100001201011202202220202
41120102313102102111
53023130233410341
6111315252310245
76564242456021
oct1302267222225
9301634682822
1094805763221
1137230422134
121645a312385
138c2b663b60
14483527b381
1526ed21679b
hex1612dd2495

94805763221 has 16 divisors (see below), whose sum is σ = 106000566000. Its totient is φ = 84190192128.

The previous prime is 94805763211. The next prime is 94805763257. The reversal of 94805763221 is 12236750849.

It can be written as a sum of positive squares in 8 ways, for example, as 30910562596 + 63895200625 = 175814^2 + 252775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-94805763221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94805763211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 349496 + ... + 558353.

It is an arithmetic number, because the mean of its divisors is an integer number (6625035375).

It is a 1-persistent number, because it is pandigital, but 2⋅94805763221 = 189611526442 is not.

Almost surely, 294805763221 is an apocalyptic number.

It is an amenable number.

94805763221 is a deficient number, since it is larger than the sum of its proper divisors (11194802779).

94805763221 is a wasteful number, since it uses less digits than its factorization.

94805763221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908168.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 94805763221 in words is "ninety-four billion, eight hundred five million, seven hundred sixty-three thousand, two hundred twenty-one".

Divisors: 1 13 29 277 377 3601 8033 104429 907849 11802037 26327621 251474173 342259073 3269164249 7292751017 94805763221