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29173002680 = 235838787049
BaseRepresentation
bin11011001010110110…
…001011000110111000
32210022010011002022202
4123022312023012320
5434221242041210
621222450405332
72051635300643
oct331266130670
983263132282
1029173002680
1111410443778
1257a1b90848
13299bc4bb83
1415aa692a5a
15b5b21c9a5
hex6cad8b1b8

29173002680 has 32 divisors (see below), whose sum is σ = 66430098000. Its totient is φ = 11528606976.

The previous prime is 29173002673. The next prime is 29173002701. The reversal of 29173002680 is 8620037192.

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, 4390205 + ... + 4396844.

Almost surely, 229173002680 is an apocalyptic number.

29173002680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29173002680 is an abundant number, since it is smaller than the sum of its proper divisors (37257095320).

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

29173002680 is a wasteful number, since it uses less digits than its factorization.

29173002680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8787143 (or 8787139 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 29173002680 in words is "twenty-nine billion, one hundred seventy-three million, two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 83 166 332 415 664 830 1660 3320 8787049 17574098 35148196 43935245 70296392 87870490 175740980 351481960 729325067 1458650134 2917300268 3646625335 5834600536 7293250670 14586501340 29173002680