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29705901316 = 22721329472
BaseRepresentation
bin11011101010100111…
…000001010100000100
32211200020220010211021
4123222213001110010
5441314202320231
621351404320524
72101065665200
oct335247012404
984606803737
1029705901316
1111664230373
125910543144
132a55482400
14161b36db00
15b8cdd3811
hex6ea9c1504

29705901316 has 81 divisors (see below), whose sum is σ = 65551522869. Its totient is φ = 11739375648.

The previous prime is 29705901299. The next prime is 29705901353. The reversal of 29705901316 is 61310950792.

The square root of 29705901316 is 172354.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4394364100 + 25311537216 = 66290^2 + 159096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31367955 + ... + 31368901.

Almost surely, 229705901316 is an apocalyptic number.

29705901316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29705901316 is the 172354-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29705901316

29705901316 is an abundant number, since it is smaller than the sum of its proper divisors (35845621553).

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

29705901316 is an equidigital number, since it uses as much as digits as its factorization.

29705901316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 29705901316 in words is "twenty-nine billion, seven hundred five million, nine hundred one thousand, three hundred sixteen".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 169 182 196 338 364 637 676 947 1183 1274 1894 2366 2548 3788 4732 6629 8281 12311 13258 16562 24622 26516 33124 46403 49244 86177 92806 160043 172354 185612 320086 344708 603239 640172 896809 1120301 1206478 1793618 2240602 2412956 3587236 4481204 6277663 7842107 11658517 12555326 15684214 23317034 25110652 31368428 43943641 46634068 81609619 87887282 151560721 163219238 175774564 303121442 326438476 571267333 606242884 1060925047 1142534666 2121850094 2285069332 4243700188 7426475329 14852950658 29705901316