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29691198403 = 711512769443
BaseRepresentation
bin11011101001101110…
…111011101111000011
32211122020020011012221
4123221232323233003
5441301421322103
621350121231511
72100530010436
oct335156735703
984566204187
1029691198403
11116569a88a9
125907632597
132a52405069
14161942381d
15b8b97c1bd
hex6e9bbbbc3

29691198403 has 8 divisors (see below), whose sum is σ = 30308795136. Its totient is φ = 29079141000.

The previous prime is 29691198389. The next prime is 29691198431. The reversal of 29691198403 is 30489119692.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29691198403 - 217 = 29691067331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29691198473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374001 + ... + 1395442.

It is an arithmetic number, because the mean of its divisors is an integer number (3788599392).

Almost surely, 229691198403 is an apocalyptic number.

29691198403 is a deficient number, since it is larger than the sum of its proper divisors (617596733).

29691198403 is a wasteful number, since it uses less digits than its factorization.

29691198403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769665.

The product of its (nonzero) digits is 839808, while the sum is 52.

It can be divided in two parts, 29691198 and 403, that added together give a square (29691601 = 54492).

The spelling of 29691198403 in words is "twenty-nine billion, six hundred ninety-one million, one hundred ninety-eight thousand, four hundred three".

Divisors: 1 71 151 10721 2769443 196630453 418185893 29691198403