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29309469254 = 2132839339703
BaseRepresentation
bin11011010010111110…
…110000001001000110
32210122121221022021022
4123102332300021012
5440011211004004
621244203351142
72055213243452
oct332276601106
983577838238
1029309469254
111148048206a
12581b8224b2
1329c12bcb20
1415c0857662
15b681c72be
hex6d2fb0246

29309469254 has 16 divisors (see below), whose sum is σ = 47348925792. Its totient is φ = 13526630208.

The previous prime is 29309469247. The next prime is 29309469257. The reversal of 29309469254 is 45296490392.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29309469196 and 29309469205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29309469257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718367 + ... + 758069.

It is an arithmetic number, because the mean of its divisors is an integer number (2959307862).

Almost surely, 229309469254 is an apocalyptic number.

29309469254 is a deficient number, since it is larger than the sum of its proper divisors (18039456538).

29309469254 is a wasteful number, since it uses less digits than its factorization.

29309469254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68111.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 29309469254 in words is "twenty-nine billion, three hundred nine million, four hundred sixty-nine thousand, two hundred fifty-four".

Divisors: 1 2 13 26 28393 39703 56786 79406 369109 516139 738218 1032278 1127287279 2254574558 14654734627 29309469254