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29399802749 = 431096272627
BaseRepresentation
bin11011011000010111…
…010110001101111101
32210212220220201112022
4123120113112031331
5440202322141444
621301151445525
72060361125432
oct333027261575
983786821468
1029399802749
1111517470a49
125845b268a5
132a06c2a7b5
1415cc84db89
15b710bc9ee
hex6d85d637d

29399802749 has 8 divisors (see below), whose sum is σ = 30359519520. Its totient is φ = 28452631536.

The previous prime is 29399802709. The next prime is 29399802791. The reversal of 29399802749 is 94720899392.

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 29399802749 - 212 = 29399798653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29399802691 and 29399802700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29399802709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131627 + ... + 3141000.

It is an arithmetic number, because the mean of its divisors is an integer number (3794939940).

Almost surely, 229399802749 is an apocalyptic number.

It is an amenable number.

29399802749 is a deficient number, since it is larger than the sum of its proper divisors (959716771).

29399802749 is a wasteful number, since it uses less digits than its factorization.

29399802749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272779.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 29399802749 in words is "twenty-nine billion, three hundred ninety-nine million, eight hundred two thousand, seven hundred forty-nine".

Divisors: 1 43 109 4687 6272627 269722961 683716343 29399802749