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406930114861 is a prime number
BaseRepresentation
bin1011110101111101110…
…11001100100100101101
31102220100122210200101121
411322332323030210231
523131343102133421
6510535140340541
741254051622344
oct5727673144455
91386318720347
10406930114861
1114763a494256
1266a480a4751
132c4b1315b1a
14159a472ab5b
15a8ba00ad41
hex5ebeecc92d

406930114861 has 2 divisors, whose sum is σ = 406930114862. Its totient is φ = 406930114860.

The previous prime is 406930114859. The next prime is 406930114879. The reversal of 406930114861 is 168411039604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374207475625 + 32722639236 = 611725^2 + 180894^2 .

It is a cyclic number.

It is not a de Polignac number, because 406930114861 - 21 = 406930114859 is a prime.

Together with 406930114859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406930114841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203465057430 + 203465057431.

It is an arithmetic number, because the mean of its divisors is an integer number (203465057431).

Almost surely, 2406930114861 is an apocalyptic number.

It is an amenable number.

406930114861 is a deficient number, since it is larger than the sum of its proper divisors (1).

406930114861 is an equidigital number, since it uses as much as digits as its factorization.

406930114861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 406930114861 in words is "four hundred six billion, nine hundred thirty million, one hundred fourteen thousand, eight hundred sixty-one".