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70541111 is a prime number
BaseRepresentation
bin1000011010001…
…01111100110111
311220201212012202
410031011330313
5121024303421
610555535115
71514406134
oct415057467
9156655182
1070541111
1136900643
121b75a49b
13117cac04
14952358b
1562d610b
hex4345f37

70541111 has 2 divisors, whose sum is σ = 70541112. Its totient is φ = 70541110.

The previous prime is 70541077. The next prime is 70541117. The reversal of 70541111 is 11114507.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11114507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70541111 - 26 = 70541047 is a prime.

It is a super-2 number, since 2×705411112 = 9952096682228642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70541117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35270555 + 35270556.

It is an arithmetic number, because the mean of its divisors is an integer number (35270556).

Almost surely, 270541111 is an apocalyptic number.

70541111 is a deficient number, since it is larger than the sum of its proper divisors (1).

70541111 is an equidigital number, since it uses as much as digits as its factorization.

70541111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 70541111 is about 8398.8755795047. The cubic root of 70541111 is about 413.1877447856.

Adding to 70541111 its reverse (11114507), we get a palindrome (81655618).

The spelling of 70541111 in words is "seventy million, five hundred forty-one thousand, one hundred eleven".