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383804981896 = 23753510725321
BaseRepresentation
bin1011001010111001000…
…11110100001010001000
31100200200000210012122111
411211130203310022020
522242013033410041
6452152332432104
736505021342540
oct5453443641210
91320600705574
10383804981896
111388529a7616
1262473618634
132a2673535ab
141480d388320
159eb4c2e981
hex595c8f4288

383804981896 has 64 divisors (see below), whose sum is σ = 838154148480. Its totient is φ = 161346332160.

The previous prime is 383804981891. The next prime is 383804981899. The reversal of 383804981896 is 698189408383.

It is not an unprimeable number, because it can be changed into a prime (383804981891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15144916 + ... + 15170236.

It is an arithmetic number, because the mean of its divisors is an integer number (13096158570).

Almost surely, 2383804981896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383804981896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419077074240).

383804981896 is an abundant number, since it is smaller than the sum of its proper divisors (454349166584).

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

383804981896 is a wasteful number, since it uses less digits than its factorization.

383804981896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30494 (or 30490 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 67.

The spelling of 383804981896 in words is "three hundred eighty-three billion, eight hundred four million, nine hundred eighty-one thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 53 56 106 212 371 424 742 1484 2968 5107 10214 20428 25321 35749 40856 50642 71498 101284 142996 177247 202568 270671 285992 354494 541342 708988 1082684 1342013 1417976 1894697 2165368 2684026 3789394 5368052 7578788 9394091 10736104 15157576 18788182 37576364 75152728 129314347 258628694 517257388 905200429 1034514776 1810400858 3620801716 6853660391 7241603432 13707320782 27414641564 47975622737 54829283128 95951245474 191902490948 383804981896