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64740034454 = 270003462409
BaseRepresentation
bin111100010010110011…
…101000011110010110
320012002211210111121212
4330102303220132112
52030041422100304
645424031341422
74451214133064
oct742263503626
9205084714555
1064740034454
1125502075107
1210669381872
1361497973c4
1431c2203034
151a3d95766e
hexf12ce8796

64740034454 has 8 divisors (see below), whose sum is σ = 97111648920. Its totient is φ = 32369484816.

The previous prime is 64740034439. The next prime is 64740034511. The reversal of 64740034454 is 45443004746.

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

It is a super-2 number, since 2×647400344542 (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91199 + ... + 371210.

It is an arithmetic number, because the mean of its divisors is an integer number (12138956115).

Almost surely, 264740034454 is an apocalyptic number.

64740034454 is a deficient number, since it is larger than the sum of its proper divisors (32371614466).

64740034454 is a wasteful number, since it uses less digits than its factorization.

64740034454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532414.

The product of its (nonzero) digits is 645120, while the sum is 41.

The spelling of 64740034454 in words is "sixty-four billion, seven hundred forty million, thirty-four thousand, four hundred fifty-four".

Divisors: 1 2 70003 140006 462409 924818 32370017227 64740034454