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40681841141 is a prime number
BaseRepresentation
bin100101111000110100…
…111010000111110101
310220000012001122201002
4211320310322013311
51131304022404031
630404453013045
72640063641564
oct457064720765
9126005048632
1040681841141
1116286925417
127a74324185
133ab4404566
141d7cd79bdb
1510d17bdccb
hex978d3a1f5

40681841141 has 2 divisors, whose sum is σ = 40681841142. Its totient is φ = 40681841140.

The previous prime is 40681841119. The next prime is 40681841149. The reversal of 40681841141 is 14114818604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22824864241 + 17856976900 = 151079^2 + 133630^2 .

It is a cyclic number.

It is not a de Polignac number, because 40681841141 - 230 = 39608099317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40681841095 and 40681841104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40681841149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20340920570 + 20340920571.

It is an arithmetic number, because the mean of its divisors is an integer number (20340920571).

Almost surely, 240681841141 is an apocalyptic number.

It is an amenable number.

40681841141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40681841141 is an equidigital number, since it uses as much as digits as its factorization.

40681841141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 38.

The spelling of 40681841141 in words is "forty billion, six hundred eighty-one million, eight hundred forty-one thousand, one hundred forty-one".