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31125626106085 = 573128687213001
BaseRepresentation
bin1110001001110111111111…
…11000110011000011100101
311002012120200101210121010001
413010323333320303003211
513034430240240343320
6150110525405101301
76361516013414260
oct704737770630345
9132176611717101
1031125626106085
119a10338547915
1235a8431257831
13144a19838a0b4
147986ba01bcd7
1538e9b03c520a
hex1c4effe330e5

31125626106085 has 16 divisors (see below), whose sum is σ = 44063559171072. Its totient is φ = 20654793360000.

The previous prime is 31125626106079. The next prime is 31125626106097. The reversal of 31125626106085 is 58060162652113.

It is not a de Polignac number, because 31125626106085 - 239 = 30575870292197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14343605416 + ... + 14343607585.

It is an arithmetic number, because the mean of its divisors is an integer number (2753972448192).

Almost surely, 231125626106085 is an apocalyptic number.

31125626106085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31125626106085 is a deficient number, since it is larger than the sum of its proper divisors (12937933064987).

31125626106085 is a wasteful number, since it uses less digits than its factorization.

31125626106085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28687213044.

The product of its (nonzero) digits is 518400, while the sum is 46.

Adding to 31125626106085 its reverse (58060162652113), we get a palindrome (89185788758198).

The spelling of 31125626106085 in words is "thirty-one trillion, one hundred twenty-five billion, six hundred twenty-six million, one hundred six thousand, eighty-five".

Divisors: 1 5 7 31 35 155 217 1085 28687213001 143436065005 200810491007 889303603031 1004052455035 4446518015155 6225125221217 31125626106085