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29984758680 = 23352331350453
BaseRepresentation
bin11011111011001110…
…110001101110011000
32212101200121120012210
4123323032301232120
5442402044234210
621435205235120
72111023146342
oct337316615630
985350546183
1029984758680
1111797683aa8
125989a02aa0
132a9b189976
1416463dc292
15ba7617e20
hex6fb3b1b98

29984758680 has 128 divisors (see below), whose sum is σ = 96893521920. Its totient is φ = 7401546240.

The previous prime is 29984758673. The next prime is 29984758697. The reversal of 29984758680 is 8685748992.

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, 89667 + ... + 260786.

It is an arithmetic number, because the mean of its divisors is an integer number (756980640).

Almost surely, 229984758680 is an apocalyptic number.

29984758680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29984758680 is an abundant number, since it is smaller than the sum of its proper divisors (66908763240).

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

29984758680 is a wasteful number, since it uses less digits than its factorization.

29984758680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350521 (or 350517 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 66.

The spelling of 29984758680 in words is "twenty-nine billion, nine hundred eighty-four million, seven hundred fifty-eight thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 30 31 40 46 60 62 69 92 93 115 120 124 138 155 184 186 230 248 276 310 345 372 460 465 552 620 690 713 744 920 930 1240 1380 1426 1860 2139 2760 2852 3565 3720 4278 5704 7130 8556 10695 14260 17112 21390 28520 42780 85560 350453 700906 1051359 1401812 1752265 2102718 2803624 3504530 4205436 5256795 7009060 8060419 8410872 10513590 10864043 14018120 16120838 21027180 21728086 24181257 32241676 32592129 40302095 42054360 43456172 48362514 54320215 64483352 65184258 80604190 86912344 96725028 108640430 120906285 130368516 161208380 162960645 193450056 217280860 241812570 249872989 260737032 322416760 325921290 434561720 483625140 499745978 651842580 749618967 967250280 999491956 1249364945 1303685160 1499237934 1998983912 2498729890 2998475868 3748094835 4997459780 5996951736 7496189670 9994919560 14992379340 29984758680