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29318359209 = 379123706157
BaseRepresentation
bin11011010011100000…
…101010100010101001
32210200020122221222220
4123103200222202221
5440020444443314
621245122104253
72055351640626
oct332340524251
983606587886
1029318359209
11114854a4237
1258227ab089
1329c30b3359
1415c1acd34d
15b68d813a9
hex6d382a8a9

29318359209 has 8 divisors (see below), whose sum is σ = 39585970560. Its totient is φ = 19298160336.

The previous prime is 29318359181. The next prime is 29318359229. The reversal of 29318359209 is 90295381392.

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

It is not a de Polignac number, because 29318359209 - 25 = 29318359177 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (29318359229) 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, 61852842 + ... + 61853315.

It is an arithmetic number, because the mean of its divisors is an integer number (4948246320).

Almost surely, 229318359209 is an apocalyptic number.

It is an amenable number.

29318359209 is a deficient number, since it is larger than the sum of its proper divisors (10267611351).

29318359209 is a wasteful number, since it uses less digits than its factorization.

29318359209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123706239.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 29318359209 in words is "twenty-nine billion, three hundred eighteen million, three hundred fifty-nine thousand, two hundred nine".

Divisors: 1 3 79 237 123706157 371118471 9772786403 29318359209