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64120003 = 194996763
BaseRepresentation
bin1111010010011…
…0010011000011
311110122122002221
43310212103003
5112403320003
610210151511
71406003533
oct364462303
9143578087
1064120003
1133215342
1219582597
131039033c
1487314c3
1559687bd
hex3d264c3

64120003 has 8 divisors (see below), whose sum is σ = 67640000. Its totient is φ = 60614568.

The previous prime is 64119977. The next prime is 64120027. The reversal of 64120003 is 30002146.

64120003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64120003 is a prime.

It is a super-2 number, since 2×641200032 = 8222749569440018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64120403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6100 + ... + 12862.

It is an arithmetic number, because the mean of its divisors is an integer number (8455000).

Almost surely, 264120003 is an apocalyptic number.

64120003 is a deficient number, since it is larger than the sum of its proper divisors (3519997).

64120003 is a wasteful number, since it uses less digits than its factorization.

64120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 64120003 is about 8007.4966749915. The cubic root of 64120003 is about 400.2498501548.

Adding to 64120003 its reverse (30002146), we get a palindrome (94122149).

The spelling of 64120003 in words is "sixty-four million, one hundred twenty thousand, three".

Divisors: 1 19 499 6763 9481 128497 3374737 64120003