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5431377805 = 57222168889
BaseRepresentation
bin1010000111011110…
…00011111110001101
3112000112002120122221
411003233003332031
542110413042210
62254541135341
7251410643500
oct50357037615
915015076587
105431377805
112337964597
121076b5a551
13687338329
143974b3137
1521bc671da
hex143bc3f8d

5431377805 has 12 divisors (see below), whose sum is σ = 7581760380. Its totient is φ = 3724373184.

The previous prime is 5431377799. The next prime is 5431377811. The reversal of 5431377805 is 5087731345.

It is an interprime number because it is at equal distance from previous prime (5431377799) and next prime (5431377811).

It can be written as a sum of positive squares in 2 ways, for example, as 3072041476 + 2359336329 = 55426^2 + 48573^2 .

It is not a de Polignac number, because 5431377805 - 221 = 5429280653 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11084200 + ... + 11084689.

It is an arithmetic number, because the mean of its divisors is an integer number (631813365).

Almost surely, 25431377805 is an apocalyptic number.

It is an amenable number.

5431377805 is a deficient number, since it is larger than the sum of its proper divisors (2150382575).

5431377805 is a wasteful number, since it uses less digits than its factorization.

5431377805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22168908 (or 22168901 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 5431377805 is about 73697.8819573534. The cubic root of 5431377805 is about 1757.8022029495.

The spelling of 5431377805 in words is "five billion, four hundred thirty-one million, three hundred seventy-seven thousand, eight hundred five".

Divisors: 1 5 7 35 49 245 22168889 110844445 155182223 775911115 1086275561 5431377805