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364639212242 = 2172251172
BaseRepresentation
bin1010100111001100011…
…00001101001011010010
31021212012100000020021222
411103212030031023102
521433240114242432
6435302443445042
735226046110224
oct5234614151322
91255170006258
10364639212242
11130708369168
125a804b26782
13285017551a6
1413911bbc414
15974234d112
hex54e630d2d2

364639212242 has 18 divisors (see below), whose sum is σ = 581048591247. Its totient is φ = 171588091584.

The previous prime is 364639212241. The next prime is 364639212269. The reversal of 364639212242 is 242212936463.

It can be written as a sum of positive squares in 5 ways, for example, as 309357327601 + 55281884641 = 556199^2 + 235121^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=426989.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 364639212193 and 364639212202.

It is not an unprimeable number, because it can be changed into a prime (364639212241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14505068 + ... + 14530184.

Almost surely, 2364639212242 is an apocalyptic number.

364639212242 is a deficient number, since it is larger than the sum of its proper divisors (216409379005).

364639212242 is an frugal number, since it uses more digits than its factorization.

364639212242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50270 (or 25136 counting only the distinct ones).

The product of its digits is 746496, while the sum is 44.

The spelling of 364639212242 in words is "three hundred sixty-four billion, six hundred thirty-nine million, two hundred twelve thousand, two hundred forty-two".

Divisors: 1 2 17 34 289 578 25117 50234 426989 853978 7258813 14517626 630863689 1261727378 10724682713 21449365426 182319606121 364639212242