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8423755197 = 3111319635793
BaseRepresentation
bin1111101100001100…
…00100110110111101
3210202001210002202020
413312012010312331
5114222440131242
63511514150353
7415514511024
oct76606046675
923661702666
108423755197
113632a98a60
1217711223b9
13a43281140
1459ca938bb
153448026ec
hex1f6184dbd

8423755197 has 16 divisors (see below), whose sum is σ = 13195253568. Its totient is φ = 4712590080.

The previous prime is 8423755177. The next prime is 8423755199. The reversal of 8423755197 is 7915573248.

It is not a de Polignac number, because 8423755197 - 215 = 8423722429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423755199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9817468 + ... + 9818325.

It is an arithmetic number, because the mean of its divisors is an integer number (824703348).

Almost surely, 28423755197 is an apocalyptic number.

It is an amenable number.

8423755197 is a deficient number, since it is larger than the sum of its proper divisors (4771498371).

8423755197 is a wasteful number, since it uses less digits than its factorization.

8423755197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19635820.

The product of its digits is 2116800, while the sum is 51.

The square root of 8423755197 is about 91781.0176289193. The cubic root of 8423755197 is about 2034.7071557711.

The spelling of 8423755197 in words is "eight billion, four hundred twenty-three million, seven hundred fifty-five thousand, one hundred ninety-seven".

Divisors: 1 3 11 13 33 39 143 429 19635793 58907379 215993723 255265309 647981169 765795927 2807918399 8423755197