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52634321749 = 1571931737049
BaseRepresentation
bin110001000001010000…
…000000001101010101
312000212011202120201001
4301001100000031111
51330243341243444
640102504103301
73542220232042
oct610120001525
9160764676631
1052634321749
112035a77aa69
12a24b164b31
134c6a76baa9
1427945481c9
151580ca48d4
hexc41400355

52634321749 has 8 divisors (see below), whose sum is σ = 53244056600. Its totient is φ = 52028061696.

The previous prime is 52634321731. The next prime is 52634321767. The reversal of 52634321749 is 94712343625.

It is an interprime number because it is at equal distance from previous prime (52634321731) and next prime (52634321767).

It can be written as a sum of positive squares in 4 ways, for example, as 1703025 + 52632618724 = 1305^2 + 229418^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-52634321749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52634321699 and 52634321708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52634324749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838224 + ... + 898825.

It is an arithmetic number, because the mean of its divisors is an integer number (6655507075).

Almost surely, 252634321749 is an apocalyptic number.

It is an amenable number.

52634321749 is a deficient number, since it is larger than the sum of its proper divisors (609734851).

52634321749 is a wasteful number, since it uses less digits than its factorization.

52634321749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737399.

The product of its digits is 1088640, while the sum is 46.

The spelling of 52634321749 in words is "fifty-two billion, six hundred thirty-four million, three hundred twenty-one thousand, seven hundred forty-nine".

Divisors: 1 157 193 30301 1737049 272716693 335250457 52634321749