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5558131993 = 5994205627
BaseRepresentation
bin1010010110100101…
…00101110100011001
3112100100121100201111
411023102211310121
542340340210433
62315310020321
7254510225311
oct51322456431
915310540644
105558131993
1123a2469917
1210b14a76a1
136a76885cb
143aa26a441
15227e53dcd
hex14b4a5d19

5558131993 has 4 divisors (see below), whose sum is σ = 5652337680. Its totient is φ = 5463926308.

The previous prime is 5558131987. The next prime is 5558132003. The reversal of 5558131993 is 3991318555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5558131993 - 25 = 5558131961 is a prime.

It is a super-2 number, since 2×55581319932 = 61785662503220304098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5558131903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47102755 + ... + 47102872.

It is an arithmetic number, because the mean of its divisors is an integer number (1413084420).

Almost surely, 25558131993 is an apocalyptic number.

It is an amenable number.

5558131993 is a deficient number, since it is larger than the sum of its proper divisors (94205687).

5558131993 is an equidigital number, since it uses as much as digits as its factorization.

5558131993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94205686.

The product of its digits is 729000, while the sum is 49.

The square root of 5558131993 is about 74552.8805144375. The cubic root of 5558131993 is about 1771.3713603243.

The spelling of 5558131993 in words is "five billion, five hundred fifty-eight million, one hundred thirty-one thousand, nine hundred ninety-three".

Divisors: 1 59 94205627 5558131993