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29289299739425 = 521129682413137
BaseRepresentation
bin1101010100011011100100…
…10011101000001100100001
310211201000210122202210200222
412222031302103220030201
512314333441213130200
6142143152450052425
76112040103012545
oct652156223501441
9124630718683628
1029289299739425
119372582150300
12335056727a115
131345c7a1b3c9b
14733876d1ba25
1535bd3663dd85
hex1aa3724e8321

29289299739425 has 18 divisors (see below), whose sum is σ = 39920589367974. Its totient is φ = 21301308899200.

The previous prime is 29289299739391. The next prime is 29289299739461. The reversal of 29289299739425 is 52493799298292.

It can be written as a sum of positive squares in 3 ways, for example, as 8831553634849 + 20457746104576 = 2971793^2 + 4523024^2 .

It is not a de Polignac number, because 29289299739425 - 26 = 29289299739361 is a prime.

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 29289299739425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4841203544 + ... + 4841209593.

It is an arithmetic number, because the mean of its divisors is an integer number (2217810520443).

Almost surely, 229289299739425 is an apocalyptic number.

29289299739425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29289299739425 is a deficient number, since it is larger than the sum of its proper divisors (10631289628549).

29289299739425 is a wasteful number, since it uses less digits than its factorization.

29289299739425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9682413169 (or 9682413153 counting only the distinct ones).

The product of its digits is 3174474240, while the sum is 80.

The spelling of 29289299739425 in words is "twenty-nine trillion, two hundred eighty-nine billion, two hundred ninety-nine million, seven hundred thirty-nine thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 121 275 605 3025 9682413137 48412065685 106506544507 242060328425 532532722535 1171571989577 2662663612675 5857859947885 29289299739425