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61214018711 is a prime number
BaseRepresentation
bin111001000000101000…
…111100110010010111
312212000002222100100012
4321000220330302113
52000331242044321
644042112510435
74264640400566
oct710050746227
9185002870305
1061214018711
1123a6279930a
12ba4454b41b
135a0711c461
142d69bd1bdd
1518d410c05b
hexe40a3cc97

61214018711 has 2 divisors, whose sum is σ = 61214018712. Its totient is φ = 61214018710.

The previous prime is 61214018687. The next prime is 61214018713. The reversal of 61214018711 is 11781041216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61214018711 - 210 = 61214017687 is a prime.

Together with 61214018713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61214018713) 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 as a sum of consecutive naturals, namely, 30607009355 + 30607009356.

It is an arithmetic number, because the mean of its divisors is an integer number (30607009356).

Almost surely, 261214018711 is an apocalyptic number.

61214018711 is a deficient number, since it is larger than the sum of its proper divisors (1).

61214018711 is an equidigital number, since it uses as much as digits as its factorization.

61214018711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 32.

Adding to 61214018711 its reverse (11781041216), we get a palindrome (72995059927).

The spelling of 61214018711 in words is "sixty-one billion, two hundred fourteen million, eighteen thousand, seven hundred eleven".