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5180805631 is a prime number
BaseRepresentation
bin1001101001100110…
…01101000111111111
3111101001121012021001
410310303031013333
541102241240011
62214030351131
7242246056411
oct46463150777
914331535231
105180805631
11221947aa51
12100705b4a7
13647455381
143720c89b1
15204c6d7c1
hex134ccd1ff

5180805631 has 2 divisors, whose sum is σ = 5180805632. Its totient is φ = 5180805630.

The previous prime is 5180805587. The next prime is 5180805673. The reversal of 5180805631 is 1365080815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5180805631 - 27 = 5180805503 is a prime.

It is a super-2 number, since 2×51808056312 = 53681493972402616322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5180805691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590402815 + 2590402816.

It is an arithmetic number, because the mean of its divisors is an integer number (2590402816).

Almost surely, 25180805631 is an apocalyptic number.

5180805631 is a deficient number, since it is larger than the sum of its proper divisors (1).

5180805631 is an equidigital number, since it uses as much as digits as its factorization.

5180805631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 5180805631 is about 71977.8134635945. The cubic root of 5180805631 is about 1730.3439269667.

The spelling of 5180805631 in words is "five billion, one hundred eighty million, eight hundred five thousand, six hundred thirty-one".