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29769873168390 = 23511345247194083
BaseRepresentation
bin1101100010011010101101…
…01101110001100000000110
310220101222020122110110100120
412301031112231301200012
512400222200012342030
6143152031350322410
76161542131526665
oct661152655614006
9126358218413316
1029769873168390
119538372339413
123409726359406
13137c3966ab6c4
1474cc26086ddc
153695b1a26010
hex1b1356b71806

29769873168390 has 64 divisors (see below), whose sum is σ = 72081940525056. Its totient is φ = 7868165018112.

The previous prime is 29769873168367. The next prime is 29769873168509. The reversal of 29769873168390 is 9386137896792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153290289 + ... + 153484371.

It is an arithmetic number, because the mean of its divisors is an integer number (1126280320704).

Almost surely, 229769873168390 is an apocalyptic number.

29769873168390 is an abundant number, since it is smaller than the sum of its proper divisors (42312067356666).

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

29769873168390 is a wasteful number, since it uses less digits than its factorization.

29769873168390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239453.

The product of its (nonzero) digits is 1481421312, while the sum is 78.

The spelling of 29769873168390 in words is "twenty-nine trillion, seven hundred sixty-nine billion, eight hundred seventy-three million, one hundred sixty-eight thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 113 226 339 565 678 1130 1695 3390 45247 90494 135741 194083 226235 271482 388166 452470 582249 678705 970415 1164498 1357410 1940830 2911245 5112911 5822490 10225822 15338733 21931379 25564555 30677466 43862758 51129110 65794137 76693665 109656895 131588274 153387330 219313790 328970685 657941370 8781673501 17563347002 26345020503 43908367505 52690041006 87816735010 131725102515 263450205030 992329105613 1984658211226 2976987316839 4961645528065 5953974633678 9923291056130 14884936584195 29769873168390