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13949822025 = 35523895903
BaseRepresentation
bin11001111110111100…
…10110010001001001
31100000012001101100000
430333132112101021
5212032123301100
610224121033213
71002455350026
oct147736262111
940005041300
1013949822025
115a09346837
122853925809
1314140c0779
1496497454d
15569a20900
hex33f796449

13949822025 has 72 divisors (see below), whose sum is σ = 25982087040. Its totient is φ = 7419522240.

The previous prime is 13949822011. The next prime is 13949822077. The reversal of 13949822025 is 52022894931.

13949822025 is a `hidden beast` number, since 139 + 498 + 2 + 2 + 0 + 25 = 666.

It is not a de Polignac number, because 13949822025 - 24 = 13949822009 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 71 ways as a sum of consecutive naturals, for example, 2360224 + ... + 2366126.

It is an arithmetic number, because the mean of its divisors is an integer number (360862320).

Almost surely, 213949822025 is an apocalyptic number.

13949822025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13949822025 is a deficient number, since it is larger than the sum of its proper divisors (12032265015).

13949822025 is an equidigital number, since it uses as much as digits as its factorization.

13949822025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317 (or 6300 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 13949822025 in words is "thirteen billion, nine hundred forty-nine million, eight hundred twenty-two thousand, twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 243 389 405 675 1167 1215 1945 2025 3501 5835 5903 6075 9725 10503 17505 17709 29175 29515 31509 52515 53127 87525 88545 94527 147575 157545 159381 262575 265635 442725 472635 478143 787725 796905 1328175 1434429 2296267 2363175 2390715 3984525 6888801 7172145 11481335 11953575 20666403 34444005 35860725 57406675 61999209 103332015 172220025 185997627 309996045 516660075 557992881 929988135 1549980225 2789964405 4649940675 13949822025