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41878419761 = 145328822037
BaseRepresentation
bin100111000000001001…
…011111100100110001
311000002120122010222202
4213000021133210301
51141231333413021
631123315512545
73011533460153
oct470011374461
9130076563882
1041878419761
1116840304672
128148bb8755
133c4529b649
142053c58ad3
151151880a0b
hex9c025f931

41878419761 has 4 divisors (see below), whose sum is σ = 41907243252. Its totient is φ = 41849596272.

The previous prime is 41878419689. The next prime is 41878419763. The reversal of 41878419761 is 16791487814.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16791487814 = 28395743907.

It can be written as a sum of positive squares in 2 ways, for example, as 36154740736 + 5723679025 = 190144^2 + 75655^2 .

It is a cyclic number.

It is not a de Polignac number, because 41878419761 - 218 = 41878157617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41878419697 and 41878419706.

It is not an unprimeable number, because it can be changed into a prime (41878419763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14409566 + ... + 14412471.

It is an arithmetic number, because the mean of its divisors is an integer number (10476810813).

Almost surely, 241878419761 is an apocalyptic number.

It is an amenable number.

41878419761 is a deficient number, since it is larger than the sum of its proper divisors (28823491).

41878419761 is a wasteful number, since it uses less digits than its factorization.

41878419761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28823490.

The product of its digits is 2709504, while the sum is 56.

The spelling of 41878419761 in words is "forty-one billion, eight hundred seventy-eight million, four hundred nineteen thousand, seven hundred sixty-one".

Divisors: 1 1453 28822037 41878419761