Search a number
-
+
64012597190 = 2531206492249
BaseRepresentation
bin111011100111011100…
…101011011111000110
320010020010222212021222
4323213130223133012
52022044211102230
645223524040342
74424202045533
oct734734533706
9203203885258
1064012597190
1125169495793
12104a58330b2
136061b6c659
143153765d8a
1519e9b656e5
hexee772b7c6

64012597190 has 16 divisors (see below), whose sum is σ = 118939536000. Its totient is φ = 24779069760.

The previous prime is 64012597169. The next prime is 64012597217. The reversal of 64012597190 is 9179521046.

It is a super-2 number, since 2×640125971902 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103245815 + ... + 103246434.

It is an arithmetic number, because the mean of its divisors is an integer number (7433721000).

Almost surely, 264012597190 is an apocalyptic number.

64012597190 is a deficient number, since it is larger than the sum of its proper divisors (54926938810).

64012597190 is a wasteful number, since it uses less digits than its factorization.

64012597190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206492287.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 64012597190 in words is "sixty-four billion, twelve million, five hundred ninety-seven thousand, one hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 206492249 412984498 1032461245 2064922490 6401259719 12802519438 32006298595 64012597190