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8149360749 = 32716453583
BaseRepresentation
bin1111001011011110…
…10110000001101101
3210000221110102022220
413211233112001231
5113142214020444
63424353025553
7405643265145
oct74557260155
923027412286
108149360749
113502113392
1216b52552b9
139cb47a06a
14574467925
1532a6a0619
hex1e5bd606d

8149360749 has 4 divisors (see below), whose sum is σ = 10865814336. Its totient is φ = 5432907164.

The previous prime is 8149360733. The next prime is 8149360753. The reversal of 8149360749 is 9470639418.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8149360749 - 24 = 8149360733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8149360799) 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 3 ways as a sum of consecutive naturals, for example, 1358226789 + ... + 1358226794.

It is an arithmetic number, because the mean of its divisors is an integer number (2716453584).

Almost surely, 28149360749 is an apocalyptic number.

It is an amenable number.

8149360749 is a deficient number, since it is larger than the sum of its proper divisors (2716453587).

8149360749 is a wasteful number, since it uses less digits than its factorization.

8149360749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716453586.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 8149360749 is about 90273.8098730745. The cubic root of 8149360749 is about 2012.3700621275.

The spelling of 8149360749 in words is "eight billion, one hundred forty-nine million, three hundred sixty thousand, seven hundred forty-nine".

Divisors: 1 3 2716453583 8149360749