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47017144950 = 23521931624081
BaseRepresentation
bin101011110010011100…
…001011001001110110
311111100201001102201220
4223302130023021312
51232242342114300
633333244331210
73253062065226
oct536234131166
9144321042656
1047017144950
1118a37a52996
129141b43b06
134583aac239
1423c050c086
151352a8ada0
hexaf270b276

47017144950 has 48 divisors (see below), whose sum is σ = 117206749776. Its totient is φ = 12472934400.

The previous prime is 47017144949. The next prime is 47017144957. The reversal of 47017144950 is 5944171074.

It is a super-2 number, since 2×470171449502 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47017144957) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 783091 + ... + 840990.

It is an arithmetic number, because the mean of its divisors is an integer number (2441807287).

Almost surely, 247017144950 is an apocalyptic number.

47017144950 is an abundant number, since it is smaller than the sum of its proper divisors (70189604826).

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

47017144950 is a wasteful number, since it uses less digits than its factorization.

47017144950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624289 (or 1624284 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 47017144950 in words is "forty-seven billion, seventeen million, one hundred forty-four thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 193 386 579 965 1158 1930 2895 4825 5790 9650 14475 28950 1624081 3248162 4872243 8120405 9744486 16240810 24361215 40602025 48722430 81204050 121806075 243612150 313447633 626895266 940342899 1567238165 1880685798 3134476330 4701714495 7836190825 9403428990 15672381650 23508572475 47017144950