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74447104312 = 23719294183709
BaseRepresentation
bin100010101010101100…
…1001010100100111000
321010011100100202010201
41011111121022210320
52204431424314222
654111151451544
75243603642230
oct1052531124470
9233140322121
1074447104312
11296334a4399
1212518226bb4
137035890a19
1438634b2cc0
151e0ac51427
hex115564a938

74447104312 has 256 divisors, whose sum is σ = 180351360000. Its totient is φ = 28089815040.

The previous prime is 74447104309. The next prime is 74447104339. The reversal of 74447104312 is 21340174447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105002614 + ... + 105003322.

It is an arithmetic number, because the mean of its divisors is an integer number (704497500).

Almost surely, 274447104312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74447104312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90175680000).

74447104312 is an abundant number, since it is smaller than the sum of its proper divisors (105904255688).

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

74447104312 is a wasteful number, since it uses less digits than its factorization.

74447104312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

Adding to 74447104312 its reverse (21340174447), we get a palindrome (95787278759).

The spelling of 74447104312 in words is "seventy-four billion, four hundred forty-seven million, one hundred four thousand, three hundred twelve".