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29709090318 = 2315907311279
BaseRepresentation
bin11011101010110011…
…001011111000001110
32211200110220011022110
4123222303023320032
5441321011342233
621352000524450
72101135046445
oct335263137016
984613804273
1029709090318
1111666009306
125911620726
132a5602aaab
14161b95dd5c
15b8d313663
hex6eaccbe0e

29709090318 has 16 divisors (see below), whose sum is σ = 59422106880. Its totient is φ = 9902375736.

The previous prime is 29709090293. The next prime is 29709090331. The reversal of 29709090318 is 81309090792.

It is a super-2 number, since 2×297090903182 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60198 + ... + 251081.

It is an arithmetic number, because the mean of its divisors is an integer number (3713881680).

Almost surely, 229709090318 is an apocalyptic number.

29709090318 is an abundant number, since it is smaller than the sum of its proper divisors (29713016562).

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

29709090318 is a wasteful number, since it uses less digits than its factorization.

29709090318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327191.

The product of its (nonzero) digits is 244944, while the sum is 48.

The spelling of 29709090318 in words is "twenty-nine billion, seven hundred nine million, ninety thousand, three hundred eighteen".

Divisors: 1 2 3 6 15907 31814 47721 95442 311279 622558 933837 1867674 4951515053 9903030106 14854545159 29709090318