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8090212970 = 257235024977
BaseRepresentation
bin1111000100011011…
…01101101001101010
3202212211011101211102
413202031231221222
5113032043303340
63414441201402
7404324450510
oct74215555152
922784141742
108090212970
113481794824
121699490262
139bc13ac88
1456a66c4b0
153253ba215
hex1e236da6a

8090212970 has 32 divisors (see below), whose sum is σ = 17366323968. Its totient is φ = 2653187328.

The previous prime is 8090212957. The next prime is 8090212973. The reversal of 8090212970 is 792120908.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8090212973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2510879 + ... + 2514098.

It is an arithmetic number, because the mean of its divisors is an integer number (542697624).

Almost surely, 28090212970 is an apocalyptic number.

8090212970 is an abundant number, since it is smaller than the sum of its proper divisors (9276110998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8090212970 is a wasteful number, since it uses less digits than its factorization.

8090212970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025014.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 8090212970 is about 89945.6111769774. The cubic root of 8090212970 is about 2007.4896649484.

The spelling of 8090212970 in words is "eight billion, ninety million, two hundred twelve thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 5024977 10049954 25124885 35174839 50249770 70349678 115574471 175874195 231148942 351748390 577872355 809021297 1155744710 1618042594 4045106485 8090212970