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8210220097 = 29391930491
BaseRepresentation
bin1111010010101111…
…00000010001000001
3210012011222101122211
413221113200101001
5113303304020342
63434405302121
7410312501512
oct75127402101
923164871584
108210220097
113533500972
121711704941
13a0ac68201
1457c58aa09
15330bc2c17
hex1e95e0441

8210220097 has 8 divisors (see below), whose sum is σ = 8247476160. Its totient is φ = 8173027440.

The previous prime is 8210220077. The next prime is 8210220101. The reversal of 8210220097 is 7900220128.

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

It is a cyclic number.

It is not a de Polignac number, because 8210220097 - 223 = 8201831489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8210220037) 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, 254022 + ... + 284512.

It is an arithmetic number, because the mean of its divisors is an integer number (1030934520).

Almost surely, 28210220097 is an apocalyptic number.

It is an amenable number.

8210220097 is a deficient number, since it is larger than the sum of its proper divisors (37256063).

8210220097 is a wasteful number, since it uses less digits than its factorization.

8210220097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31703.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 8210220097 is about 90610.2648544854. The cubic root of 8210220097 is about 2017.3670968735.

Adding to 8210220097 its sum of digits (31), we get a palindrome (8210220128).

The spelling of 8210220097 in words is "eight billion, two hundred ten million, two hundred twenty thousand, ninety-seven".

Divisors: 1 293 919 30491 269267 8933863 28021229 8210220097