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29312913374208 = 2103319294171661
BaseRepresentation
bin1101010101000111100011…
…10010011111110000000000
310211210021202022222201222000
412222203301302133300000
512320230321310433313
6142202055544144000
76113534214420042
oct652436162376000
9124707668881860
1029312913374208
11938159a460652
123355057468000
131348271433b49
14734a77101a92
1535c769761673
hex1aa8f1c9fc00

29312913374208 has 1408 divisors, whose sum is σ = 98348753664000. Its totient is φ = 8583708672000.

The previous prime is 29312913374177. The next prime is 29312913374209. The reversal of 29312913374208 is 80247331921392.

29312913374208 is a `hidden beast` number, since 2 + 9 + 3 + 12 + 91 + 337 + 4 + 208 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29312913374209) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44346313398 + ... + 44346314058.

Almost surely, 229312913374208 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 29312913374208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49174376832000).

29312913374208 is an abundant number, since it is smaller than the sum of its proper divisors (69035840289792).

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

29312913374208 is a wasteful number, since it uses less digits than its factorization.

29312913374208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 29312913374208 in words is "twenty-nine trillion, three hundred twelve billion, nine hundred thirteen million, three hundred seventy-four thousand, two hundred eight".