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12452042626 = 26226021313
BaseRepresentation
bin10111001100011001…
…10001011110000010
31012010210201022020221
423212030301132002
5201000210331001
65415334253254
7620400421162
oct134614613602
935123638227
1012452042626
11530a942a21
1224b61b722a
1312359c817a
14861a8c5a2
154cd2b41a1
hex2e6331782

12452042626 has 4 divisors (see below), whose sum is σ = 18678063942. Its totient is φ = 6226021312.

The previous prime is 12452042621. The next prime is 12452042663. The reversal of 12452042626 is 62624025421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62624025421 = 501112497311.

It can be written as a sum of positive squares in only one way, i.e., 11258271025 + 1193771601 = 106105^2 + 34551^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12452042591 and 12452042600.

It is not an unprimeable number, because it can be changed into a prime (12452042621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3113010655 + ... + 3113010658.

Almost surely, 212452042626 is an apocalyptic number.

12452042626 is a deficient number, since it is larger than the sum of its proper divisors (6226021316).

12452042626 is an equidigital number, since it uses as much as digits as its factorization.

12452042626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226021315.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 12452042626 in words is "twelve billion, four hundred fifty-two million, forty-two thousand, six hundred twenty-six".

Divisors: 1 2 6226021313 12452042626