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255431453431153 = 462481552306913
BaseRepresentation
bin111010000101000001000101…
…000010111101010101110001
31020111102000020011122200012211
4322011001011002331111301
5231434442104034244103
62303131331215452121
7104542212351331426
oct7205010502752561
91214360204580184
10255431453431153
117442a96441769a
12247943b0b27041
13ac6b10c91506c
144710d3c241d4d
151e7e55933e36d
hexe850450bd571

255431453431153 has 4 divisors (see below), whose sum is σ = 255432006200548. Its totient is φ = 255430900661760.

The previous prime is 255431453431151. The next prime is 255431453431159. The reversal of 255431453431153 is 351134354134552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211906452798049 + 43525000633104 = 14557007^2 + 6597348^2 .

It is a cyclic number.

It is not a de Polignac number, because 255431453431153 - 21 = 255431453431151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255431453431097 and 255431453431106.

It is not an unprimeable number, because it can be changed into a prime (255431453431151) 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, 275690976 + ... + 276615937.

It is an arithmetic number, because the mean of its divisors is an integer number (63858001550137).

Almost surely, 2255431453431153 is an apocalyptic number.

It is an amenable number.

255431453431153 is a deficient number, since it is larger than the sum of its proper divisors (552769395).

255431453431153 is an equidigital number, since it uses as much as digits as its factorization.

255431453431153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552769394.

The product of its digits is 6480000, while the sum is 49.

The spelling of 255431453431153 in words is "two hundred fifty-five trillion, four hundred thirty-one billion, four hundred fifty-three million, four hundred thirty-one thousand, one hundred fifty-three".

Divisors: 1 462481 552306913 255431453431153