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29090809312 = 25909087791
BaseRepresentation
bin11011000101111100…
…101000010111100000
32210002101111020012221
4123011330220113200
5434034221344222
621210353000424
72046616541065
oct330574502740
983071436187
1029090809312
1111379004674
12577a553114
132987c01346
14159d7b8c6c
15b53dd40c7
hex6c5f285e0

29090809312 has 12 divisors (see below), whose sum is σ = 57272530896. Its totient is φ = 14545404640.

The previous prime is 29090809277. The next prime is 29090809327. The reversal of 29090809312 is 21390809092.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 454543864 + ... + 454543927.

It is an arithmetic number, because the mean of its divisors is an integer number (4772710908).

Almost surely, 229090809312 is an apocalyptic number.

It is an amenable number.

29090809312 is a deficient number, since it is larger than the sum of its proper divisors (28181721584).

29090809312 is an equidigital number, since it uses as much as digits as its factorization.

29090809312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909087801 (or 909087793 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 29090809312 in words is "twenty-nine billion, ninety million, eight hundred nine thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 909087791 1818175582 3636351164 7272702328 14545404656 29090809312