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13884144950 = 2521321360223
BaseRepresentation
bin11001110111000111…
…10011110100110110
31022211121110122022202
430323203303310312
5211413320114300
610213413224502
71001030166464
oct147343636466
938747418282
1013884144950
115985268665
122835932132
1314036067b0
14959d59834
15563d9aad5
hex33b8f3d36

13884144950 has 24 divisors (see below), whose sum is σ = 27811011648. Its totient is φ = 5126453280.

The previous prime is 13884144941. The next prime is 13884144961. The reversal of 13884144950 is 5944148831.

It is a happy number.

It is a super-2 number, since 2×138841449502 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13884144895 and 13884144904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10679462 + ... + 10680761.

It is an arithmetic number, because the mean of its divisors is an integer number (1158792152).

Almost surely, 213884144950 is an apocalyptic number.

13884144950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13884144950 is an abundant number, since it is smaller than the sum of its proper divisors (13926866698).

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

13884144950 is a wasteful number, since it uses less digits than its factorization.

13884144950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21360248 (or 21360243 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 13884144950 in words is "thirteen billion, eight hundred eighty-four million, one hundred forty-four thousand, nine hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 21360223 42720446 106801115 213602230 277682899 534005575 555365798 1068011150 1388414495 2776828990 6942072475 13884144950