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64354612224 = 2103712232447
BaseRepresentation
bin111011111011110101…
…010111010000000000
320011002222120000201110
4323323311113100000
52023244240042344
645321502403320
74435524115110
oct737365272000
9204088500643
1064354612224
1125324556741
1210580290540
1360b798b206
143186d55040
151a19bc33b9
hexefbd57400

64354612224 has 176 divisors, whose sum is σ = 196273041408. Its totient is φ = 18364489728.

The previous prime is 64354612199. The next prime is 64354612241. The reversal of 64354612224 is 42221645346.

It is a happy number.

It is a super-2 number, since 2×643546122242 (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 15 ways as a sum of consecutive naturals, for example, 26298169 + ... + 26300615.

Almost surely, 264354612224 is an apocalyptic number.

64354612224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64354612224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98136520704).

64354612224 is an abundant number, since it is smaller than the sum of its proper divisors (131918429184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64354612224 is a wasteful number, since it uses less digits than its factorization.

64354612224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700 (or 3682 counting only the distinct ones).

The product of its digits is 276480, while the sum is 39.

The spelling of 64354612224 in words is "sixty-four billion, three hundred fifty-four million, six hundred twelve thousand, two hundred twenty-four".