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61214303687 is a prime number
BaseRepresentation
bin111001000000101010…
…000010010111000111
312212000010111211020212
4321000222002113013
52000331330204222
644042122550035
74264642665455
oct710052022707
9185003454225
1061214303687
1123a62973429
12ba4466831b
135a071bc094
142d69c679d5
1518d41666e2
hexe40a825c7

61214303687 has 2 divisors, whose sum is σ = 61214303688. Its totient is φ = 61214303686.

The previous prime is 61214303629. The next prime is 61214303693. The reversal of 61214303687 is 78630341216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61214303687 - 218 = 61214041543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61214303587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30607151843 + 30607151844.

It is an arithmetic number, because the mean of its divisors is an integer number (30607151844).

Almost surely, 261214303687 is an apocalyptic number.

61214303687 is a deficient number, since it is larger than the sum of its proper divisors (1).

61214303687 is an equidigital number, since it uses as much as digits as its factorization.

61214303687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 61214303687 in words is "sixty-one billion, two hundred fourteen million, three hundred three thousand, six hundred eighty-seven".