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662806748132612 = 22374478423973869
BaseRepresentation
bin1001011010110100011011100…
…0110001101111010100000100
310012220210201001220001221022122
42112231012320301233110010
51143333411210010220422
610305401114440145112
7256416131050004666
oct22655067061572404
93186721056057278
10662806748132612
11182210843a91526
126240847aa68198
13225ab53c957405
14b996036ad2536
1551961d06a6d42
hex25ad1b8c6f504

662806748132612 has 12 divisors (see below), whose sum is σ = 1191260777049420. Its totient is φ = 322446526118496.

The previous prime is 662806748132611. The next prime is 662806748132623. The reversal of 662806748132612 is 216231847608266.

It can be written as a sum of positive squares in 2 ways, for example, as 523286853215296 + 139519894917316 = 22875464^2 + 11811854^2 .

It is not an unprimeable number, because it can be changed into a prime (662806748132611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2239211986787 + ... + 2239211987082.

It is an arithmetic number, because the mean of its divisors is an integer number (99271731420785).

Almost surely, 2662806748132612 is an apocalyptic number.

It is an amenable number.

662806748132612 is a deficient number, since it is larger than the sum of its proper divisors (528454028916808).

662806748132612 is a wasteful number, since it uses less digits than its factorization.

662806748132612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478423973910 (or 4478423973908 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 662806748132612 in words is "six hundred sixty-two trillion, eight hundred six billion, seven hundred forty-eight million, one hundred thirty-two thousand, six hundred twelve".

Divisors: 1 2 4 37 74 148 4478423973869 8956847947738 17913695895476 165701687033153 331403374066306 662806748132612