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64112503 = 713719923
BaseRepresentation
bin1111010010010…
…0011101110111
311110122020211011
43310210131313
5112403100003
610210053051
71405642630
oct364443567
9143566734
1064112503
113320a744
121957a187
1310389ac0
14872c887
15596646d
hex3d24777

64112503 has 16 divisors (see below), whose sum is σ = 80027136. Its totient is φ = 50006880.

The previous prime is 64112497. The next prime is 64112509. The reversal of 64112503 is 30521146.

It is an interprime number because it is at equal distance from previous prime (64112497) and next prime (64112509).

It is not a de Polignac number, because 64112503 - 217 = 63981431 is a prime.

It is a super-2 number, since 2×641125032 = 8220826081850018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64112509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1500 + ... + 11422.

It is an arithmetic number, because the mean of its divisors is an integer number (5001696).

Almost surely, 264112503 is an apocalyptic number.

64112503 is a deficient number, since it is larger than the sum of its proper divisors (15914633).

64112503 is a wasteful number, since it uses less digits than its factorization.

64112503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10014.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 64112503 is about 8007.0283501434. The cubic root of 64112503 is about 400.2342440475.

Adding to 64112503 its reverse (30521146), we get a palindrome (94633649).

The spelling of 64112503 in words is "sixty-four million, one hundred twelve thousand, five hundred three".

Divisors: 1 7 13 71 91 497 923 6461 9923 69461 128999 704533 902993 4931731 9158929 64112503