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8143045507 = 37220082311
BaseRepresentation
bin1111001010101110…
…10000001110000011
3210000111120120110001
413211113100032003
5113134104424012
63424005420431
7405535513312
oct74527201603
923014516401
108143045507
1134a959a683
1216b310a717
139ca07872c
145736a2279
15329d54357
hex1e55d0383

8143045507 has 4 divisors (see below), whose sum is σ = 8363127856. Its totient is φ = 7922963160.

The previous prime is 8143045501. The next prime is 8143045523. The reversal of 8143045507 is 7055403418.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8143045507 - 215 = 8143012739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 220082311 = 8143045507 / (8 + 1 + 4 + 3 + 0 + 4 + 5 + 5 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8143045501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110041119 + ... + 110041192.

It is an arithmetic number, because the mean of its divisors is an integer number (2090781964).

Almost surely, 28143045507 is an apocalyptic number.

8143045507 is a deficient number, since it is larger than the sum of its proper divisors (220082349).

8143045507 is a wasteful number, since it uses less digits than its factorization.

8143045507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220082348.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 8143045507 is about 90238.8248316654. The cubic root of 8143045507 is about 2011.8501077192.

The spelling of 8143045507 in words is "eight billion, one hundred forty-three million, forty-five thousand, five hundred seven".

Divisors: 1 37 220082311 8143045507