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64531072414 = 2419109170583
BaseRepresentation
bin111100000110010110…
…100000010110011110
320011120021121010121001
4330012112200112132
52024124423304124
645351204500514
74443066031234
oct740626402636
9204507533531
1064531072414
1125405120906
121060b3aa73a
1361153c2b23
1431a256a954
151a2a42cb44
hexf065a059e

64531072414 has 16 divisors (see below), whose sum is σ = 97117937280. Its totient is φ = 32158570840.

The previous prime is 64531072363. The next prime is 64531072421. The reversal of 64531072414 is 41427013546.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 878967 + ... + 949549.

It is an arithmetic number, because the mean of its divisors is an integer number (6069871080).

Almost surely, 264531072414 is an apocalyptic number.

64531072414 is a deficient number, since it is larger than the sum of its proper divisors (32586864866).

64531072414 is a wasteful number, since it uses less digits than its factorization.

64531072414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72095.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 64531072414 in words is "sixty-four billion, five hundred thirty-one million, seventy-two thousand, four hundred fourteen".

Divisors: 1 2 419 838 1091 2182 70583 141166 457129 914258 29574277 59148554 77006053 154012106 32265536207 64531072414