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6400003097 = 24372626181
BaseRepresentation
bin1011111010111100…
…00100110000011001
3121112000201211202202
411331132010300121
5101101400044342
62535022135545
7314412062105
oct57536046031
917460654682
106400003097
1127946a9064
1212a74215b5
137acc0b8a7
14449db4905
15276cec332
hex17d784c19

6400003097 has 4 divisors (see below), whose sum is σ = 6402631716. Its totient is φ = 6397374480.

The previous prime is 6400003003. The next prime is 6400003133. The reversal of 6400003097 is 7903000046.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6135745561 + 264257536 = 78331^2 + 16256^2 .

It is a cyclic number.

It is not a de Polignac number, because 6400003097 - 218 = 6399740953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6400003397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310654 + ... + 1315527.

It is an arithmetic number, because the mean of its divisors is an integer number (1600657929).

Almost surely, 26400003097 is an apocalyptic number.

It is an amenable number.

6400003097 is a deficient number, since it is larger than the sum of its proper divisors (2628619).

6400003097 is a wasteful number, since it uses less digits than its factorization.

6400003097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628618.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 6400003097 is about 80000.0193562477. The cubic root of 6400003097 is about 1856.6358329242.

The spelling of 6400003097 in words is "six billion, four hundred million, three thousand, ninety-seven".

Divisors: 1 2437 2626181 6400003097