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29800971730 = 25191145110753
BaseRepresentation
bin11011110000010001…
…101011110111010010
32211220212210012220201
4123300101223313102
5442013022043410
621405042125414
72103332036335
oct336021536722
984825705821
1029800971730
1111702965162
12593835086a
132a6c08b1aa
141629c3a61c
15b9641283a
hex6f046bdd2

29800971730 has 32 divisors (see below), whose sum is σ = 53964776448. Its totient is φ = 11848704000.

The previous prime is 29800971719. The next prime is 29800971737. The reversal of 29800971730 is 3717900892.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (29800971737) by changing a digit.

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, 2766034 + ... + 2776786.

It is an arithmetic number, because the mean of its divisors is an integer number (1686399264).

Almost surely, 229800971730 is an apocalyptic number.

29800971730 is a deficient number, since it is larger than the sum of its proper divisors (24163804718).

29800971730 is a wasteful number, since it uses less digits than its factorization.

29800971730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12402.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 29800971730 in words is "twenty-nine billion, eight hundred million, nine hundred seventy-one thousand, seven hundred thirty".

Divisors: 1 2 5 10 191 382 955 1451 1910 2902 7255 10753 14510 21506 53765 107530 277141 554282 1385705 2053823 2771410 4107646 10269115 15602603 20538230 31205206 78013015 156026030 2980097173 5960194346 14900485865 29800971730