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13447629220 = 2254943136027
BaseRepresentation
bin11001000011000101…
…01000100110100100
31021201012002100022111
430201202220212210
5210020043113340
610102221210404
7654146651044
oct144142504644
937635070274
1013447629220
115780921963
122733700a04
13136404b56c
14917dab724
1553a8c2aea
hex3218a89a4

13447629220 has 24 divisors (see below), whose sum is σ = 28245942144. Its totient is φ = 5377923936.

The previous prime is 13447629211. The next prime is 13447629229. The reversal of 13447629220 is 2292674431.

It is an interprime number because it is at equal distance from previous prime (13447629211) and next prime (13447629229).

It is not an unprimeable number, because it can be changed into a prime (13447629229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30847 + ... + 166873.

It is an arithmetic number, because the mean of its divisors is an integer number (1176914256).

Almost surely, 213447629220 is an apocalyptic number.

13447629220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13447629220 is an abundant number, since it is smaller than the sum of its proper divisors (14798312924).

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

13447629220 is a wasteful number, since it uses less digits than its factorization.

13447629220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140979 (or 140977 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 13447629220 in words is "thirteen billion, four hundred forty-seven million, six hundred twenty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 4943 9886 19772 24715 49430 98860 136027 272054 544108 680135 1360270 2720540 672381461 1344762922 2689525844 3361907305 6723814610 13447629220