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214475544481 = 1133141126781
BaseRepresentation
bin1100011110111110111…
…1010001011110100001
3202111121011120112110111
43013233233101132201
512003221214410411
6242310111131321
721331622022412
oct3075757213641
9674534515414
10214475544481
1182a5a943000
1235697513b41
13172c02cca03
14a5487c5809
1558a41de721
hex31efbd17a1

214475544481 has 32 divisors (see below), whose sum is σ = 249458291712. Its totient is φ = 184084560000.

The previous prime is 214475544457. The next prime is 214475544497. The reversal of 214475544481 is 184445574412.

It is a de Polignac number, because none of the positive numbers 2k-214475544481 is a prime.

It is a super-2 number, since 2×2144755444812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214475545481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1628311 + ... + 1755091.

It is an arithmetic number, because the mean of its divisors is an integer number (7795571616).

Almost surely, 2214475544481 is an apocalyptic number.

It is an amenable number.

214475544481 is a deficient number, since it is larger than the sum of its proper divisors (34982747231).

214475544481 is a wasteful number, since it uses less digits than its factorization.

214475544481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126886 (or 126864 counting only the distinct ones).

The product of its digits is 2867200, while the sum is 49.

It can be divided in two parts, 214475544 and 481, that added together give a square (214476025 = 146452).

The spelling of 214475544481 in words is "two hundred fourteen billion, four hundred seventy-five million, five hundred forty-four thousand, four hundred eighty-one".

Divisors: 1 11 31 41 121 341 451 1271 1331 3751 4961 13981 41261 54571 126781 153791 1394591 1691701 3930211 5198021 15340501 43232321 57178231 161138651 168745511 475555531 628960541 1772525161 5231110841 6918565951 19497776771 214475544481