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43215351116 = 22719431188473
BaseRepresentation
bin101000001111110101…
…011110110101001100
311010112202022022000212
4220033311132311030
51202001112213431
631504114541552
73056626265210
oct501765366514
9133482268025
1043215351116
1117366a36a13
1284608978b8
1340c92674a2
14213d630940
1511cde1872b
hexa0fd5ed4c

43215351116 has 48 divisors (see below), whose sum is σ = 91191260160. Its totient is φ = 17505279360.

The previous prime is 43215351071. The next prime is 43215351149. The reversal of 43215351116 is 61115351234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135056 + ... + 323528.

It is an arithmetic number, because the mean of its divisors is an integer number (1899817920).

Almost surely, 243215351116 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 43215351116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45595630080).

43215351116 is an abundant number, since it is smaller than the sum of its proper divisors (47975909044).

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

43215351116 is a wasteful number, since it uses less digits than its factorization.

43215351116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188934 (or 188932 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The spelling of 43215351116 in words is "forty-three billion, two hundred fifteen million, three hundred fifty-one thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 431 532 862 1724 3017 6034 8189 12068 16378 32756 57323 114646 188473 229292 376946 753892 1319311 2638622 3580987 5277244 7161974 14323948 25066909 50133818 81231863 100267636 162463726 324927452 568623041 1137246082 1543405397 2274492164 3086810794 6173621588 10803837779 21607675558 43215351116