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8493443077 = 72220778539
BaseRepresentation
bin1111110100011111…
…11010100000000101
3210220220220121112211
413322033322200011
5114343310134302
63522443543421
7420322034500
oct77217724005
923826817484
108493443077
113669366549
12179052ab71
13a54840882
145a8034137
1534a9baad7
hex1fa3fa805

8493443077 has 12 divisors (see below), whose sum is σ = 9884730240. Its totient is φ = 7276702776.

The previous prime is 8493443051. The next prime is 8493443087. The reversal of 8493443077 is 7703443948.

It is not a de Polignac number, because 8493443077 - 211 = 8493441029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 8493443077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8493443047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68874 + ... + 147412.

It is an arithmetic number, because the mean of its divisors is an integer number (823727520).

Almost surely, 28493443077 is an apocalyptic number.

It is an amenable number.

8493443077 is a deficient number, since it is larger than the sum of its proper divisors (1391287163).

8493443077 is a wasteful number, since it uses less digits than its factorization.

8493443077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80760 (or 80753 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The square root of 8493443077 is about 92159.8778048235. The cubic root of 8493443077 is about 2040.3026493337.

The spelling of 8493443077 in words is "eight billion, four hundred ninety-three million, four hundred forty-three thousand, seventy-seven".

Divisors: 1 7 49 2207 15449 78539 108143 549773 3848411 173335573 1213349011 8493443077