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553257752243 = 779036821749
BaseRepresentation
bin10000000110100001011…
…10110101011010110011
31221220001111001211210212
420003100232311122303
533031032441032433
61102055121414335
754654146205140
oct10032056653263
91856044054725
10553257752243
111a36a9639a79
128b284a9a3ab
1340230aca141
141cac64933c7
15e5d14d2d48
hex80d0bb56b3

553257752243 has 4 divisors (see below), whose sum is σ = 632294574000. Its totient is φ = 474220930488.

The previous prime is 553257752213. The next prime is 553257752249. The reversal of 553257752243 is 342257752355.

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

It is a cyclic number.

It is not a de Polignac number, because 553257752243 - 210 = 553257751219 is a prime.

It is a super-3 number, since 3×5532577522433 (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553257752191 and 553257752200.

It is not an unprimeable number, because it can be changed into a prime (553257752249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39518410868 + ... + 39518410881.

It is an arithmetic number, because the mean of its divisors is an integer number (158073643500).

Almost surely, 2553257752243 is an apocalyptic number.

553257752243 is a deficient number, since it is larger than the sum of its proper divisors (79036821757).

553257752243 is an equidigital number, since it uses as much as digits as its factorization.

553257752243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79036821756.

The product of its digits is 8820000, while the sum is 50.

The spelling of 553257752243 in words is "five hundred fifty-three billion, two hundred fifty-seven million, seven hundred fifty-two thousand, two hundred forty-three".

Divisors: 1 7 79036821749 553257752243