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29538708980 = 22511318352183
BaseRepresentation
bin11011100000101001…
…001110110111110100
32211020121021220001112
4123200221032313310
5440443402141410
621323033014152
72063665612034
oct334051166764
984217256045
1029538708980
1111588916290
125884554358
132a29944031
14160308b8c4
15b7d3aa105
hex6e0a4edf4

29538708980 has 96 divisors (see below), whose sum is σ = 70696378368. Its totient is φ = 10269417600.

The previous prime is 29538708971. The next prime is 29538709001. The reversal of 29538708980 is 8980783592.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539969 + ... + 592151.

It is an arithmetic number, because the mean of its divisors is an integer number (736420608).

Almost surely, 229538708980 is an apocalyptic number.

29538708980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29538708980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35348189184).

29538708980 is an abundant number, since it is smaller than the sum of its proper divisors (41157669388).

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

29538708980 is a wasteful number, since it uses less digits than its factorization.

29538708980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52317 (or 52315 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 29538708980 in words is "twenty-nine billion, five hundred thirty-eight million, seven hundred eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 31 44 55 62 83 110 124 155 166 220 310 332 341 415 620 682 830 913 1364 1660 1705 1826 2573 3410 3652 4565 5146 6820 9130 10292 12865 18260 25730 28303 51460 52183 56606 104366 113212 141515 208732 260915 283030 521830 566060 574013 1043660 1148026 1617673 2296052 2870065 3235346 4331189 5740130 6470692 8088365 8662378 11480260 16176730 17324756 17794403 21655945 32353460 35588806 43311890 47643079 71177612 86623780 88972015 95286158 134266859 177944030 190572316 238215395 268533718 355888060 476430790 537067436 671334295 952861580 1342668590 1476935449 2685337180 2953870898 5907741796 7384677245 14769354490 29538708980