Search a number
-
+
47582452644421 = 173775647778449
BaseRepresentation
bin10101101000110101001110…
…01011111111101001000101
320020110211121221022000120111
422310122213023333221011
522214042330334110141
6245111024343233021
713010501351102002
oct1264324713775105
9206424557260514
1047582452644421
1114185672055a52
12540596b148771
132072010334546
14ba70083148a9
15577ade9e2381
hex2b46a72ffa45

47582452644421 has 8 divisors (see below), whose sum is σ = 51743080459800. Its totient is φ = 43573120386048.

The previous prime is 47582452644403. The next prime is 47582452644439. The reversal of 47582452644421 is 12444625428574.

It is an interprime number because it is at equal distance from previous prime (47582452644403) and next prime (47582452644439).

It can be written as a sum of positive squares in 4 ways, for example, as 10716365299396 + 36866087345025 = 3273586^2 + 6071745^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47582452644421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47582452644481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37823888596 + ... + 37823889853.

It is an arithmetic number, because the mean of its divisors is an integer number (6467885057475).

Almost surely, 247582452644421 is an apocalyptic number.

It is an amenable number.

47582452644421 is a deficient number, since it is larger than the sum of its proper divisors (4160627815379).

47582452644421 is a wasteful number, since it uses less digits than its factorization.

47582452644421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75647778503.

The product of its digits is 68812800, while the sum is 58.

The spelling of 47582452644421 in words is "forty-seven trillion, five hundred eighty-two billion, four hundred fifty-two million, six hundred forty-four thousand, four hundred twenty-one".

Divisors: 1 17 37 629 75647778449 1286012233633 2798967802613 47582452644421