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29091280430 = 2517210066187
BaseRepresentation
bin11011000101111110…
…011011011000101110
32210002102101011110202
4123011332123120232
5434034331433210
621210411033502
72046623542442
oct330576333056
983072334422
1029091280430
11113792a6623
12577a73b892
132988037904
14159d89c822
15b53e789a5
hex6c5f9b62e

29091280430 has 24 divisors (see below), whose sum is σ = 55625754888. Its totient is φ = 10952010368.

The previous prime is 29091280423. The next prime is 29091280523. The reversal of 29091280430 is 3408219092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5030204 + ... + 5035983.

It is an arithmetic number, because the mean of its divisors is an integer number (2317739787).

Almost surely, 229091280430 is an apocalyptic number.

29091280430 is a deficient number, since it is larger than the sum of its proper divisors (26534474458).

29091280430 is a wasteful number, since it uses less digits than its factorization.

29091280430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10066228 (or 10066211 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 29091280430 in words is "twenty-nine billion, ninety-one million, two hundred eighty thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 289 578 1445 2890 10066187 20132374 50330935 100661870 171125179 342250358 855625895 1711251790 2909128043 5818256086 14545640215 29091280430