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29293190920 = 2357307340777
BaseRepresentation
bin11011010010000000…
…101001111100001000
32210121111022021121001
4123102000221330020
5434443024102140
621242422424344
72054625004660
oct332200517410
983544267531
1029293190920
11114722739a4
1258162920b4
1329bab10686
1415bc61b1a0
15b66a5de9a
hex6d2029f08

29293190920 has 64 divisors (see below), whose sum is σ = 75570929280. Its totient is φ = 10010635776.

The previous prime is 29293190903. The next prime is 29293190963. The reversal of 29293190920 is 2909139292.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84429 + ... + 256348.

It is an arithmetic number, because the mean of its divisors is an integer number (1180795770).

Almost surely, 229293190920 is an apocalyptic number.

29293190920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29293190920 is an abundant number, since it is smaller than the sum of its proper divisors (46277738360).

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

29293190920 is a wasteful number, since it uses less digits than its factorization.

29293190920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341102 (or 341098 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 46.

The spelling of 29293190920 in words is "twenty-nine billion, two hundred ninety-three million, one hundred ninety thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 307 614 1228 1535 2149 2456 3070 4298 6140 8596 10745 12280 17192 21490 42980 85960 340777 681554 1363108 1703885 2385439 2726216 3407770 4770878 6815540 9541756 11927195 13631080 19083512 23854390 47708780 95417560 104618539 209237078 418474156 523092695 732329773 836948312 1046185390 1464659546 2092370780 2929319092 3661648865 4184741560 5858638184 7323297730 14646595460 29293190920