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29881769482084 = 221322102472
BaseRepresentation
bin1101100101101011001000…
…10000010101011101100100
310220210200001220010011002011
412302311210100111131210
512404040330441411314
6143315255000524004
76202613050514542
oct662654420253544
9126720056104064
1029881769482084
119580872947023
123427354180604
131389ab9a1b300
147543dd054d92
1536c46034e4c4
hex1b2d64415764

29881769482084 has 27 divisors (see below), whose sum is σ = 56625338420217. Its totient is φ = 13791520317744.

The previous prime is 29881769482031. The next prime is 29881769482091. The reversal of 29881769482084 is 48028496718892.

The square root of 29881769482084 is 5466422.

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., 4420380100900 + 25461389381184 = 2102470^2 + 5045928^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29881769482084.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 142021849 + ... + 142232095.

Almost surely, 229881769482084 is an apocalyptic number.

29881769482084 is the 5466422-nd square number.

It is an amenable number.

29881769482084 is a deficient number, since it is larger than the sum of its proper divisors (26743568938133).

29881769482084 is an frugal number, since it uses more digits than its factorization.

29881769482084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420524 (or 210262 counting only the distinct ones).

The product of its (nonzero) digits is 891813888, while the sum is 76.

The spelling of 29881769482084 in words is "twenty-nine trillion, eight hundred eighty-one billion, seven hundred sixty-nine million, four hundred eighty-two thousand, eighty-four".

Divisors: 1 2 4 13 26 52 169 338 676 210247 420494 840988 2733211 5466422 10932844 35531743 71063486 142126972 44203801009 88407602018 176815204036 574649413117 1149298826234 2298597652468 7470442370521 14940884741042 29881769482084