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8000197297 = 172112230331
BaseRepresentation
bin1110111001101100…
…10101001010110001
3202122112210010112121
413130312111022301
5112341022303142
63401503554241
7402152361241
oct73466251261
922575703477
108000197297
1134359a2704
1216732bb981
139a65b1b71
1455c719b21
1531c538c67
hex1dcd952b1

8000197297 has 8 divisors (see below), whose sum is σ = 8510946912. Its totient is φ = 7493908800.

The previous prime is 8000197279. The next prime is 8000197301. The reversal of 8000197297 is 7927910008.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8000197297 is a prime.

It is a super-2 number, since 2×80001972972 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8000197267) 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, 1111579 + ... + 1118752.

It is an arithmetic number, because the mean of its divisors is an integer number (1063868364).

Almost surely, 28000197297 is an apocalyptic number.

It is an amenable number.

8000197297 is a deficient number, since it is larger than the sum of its proper divisors (510749615).

8000197297 is a wasteful number, since it uses less digits than its factorization.

8000197297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230559.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 8000197297 is about 89443.8220169510. The cubic root of 8000197297 is about 2000.0164412815.

The spelling of 8000197297 in words is "eight billion, one hundred ninety-seven thousand, two hundred ninety-seven".

Divisors: 1 17 211 3587 2230331 37915627 470599841 8000197297