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5212312445 = 56117089549
BaseRepresentation
bin1001101101010110…
…11001001101111101
3111110020212220111002
410312223121031331
541133322444240
62221113540045
7243110632124
oct46653311575
914406786432
105212312445
11223523a53a
121015714625
13650b37162
1437636aabb
152078e3d15
hex136ad937d

5212312445 has 8 divisors (see below), whose sum is σ = 6357312600. Its totient is φ = 4101491520.

The previous prime is 5212312439. The next prime is 5212312447. The reversal of 5212312445 is 5442132125.

It can be written as a sum of positive squares in 4 ways, for example, as 360772036 + 4851540409 = 18994^2 + 69653^2 .

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

It is not a de Polignac number, because 5212312445 - 24 = 5212312429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212312447) 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, 8544470 + ... + 8545079.

It is an arithmetic number, because the mean of its divisors is an integer number (794664075).

Almost surely, 25212312445 is an apocalyptic number.

It is an amenable number.

5212312445 is a deficient number, since it is larger than the sum of its proper divisors (1145000155).

5212312445 is a wasteful number, since it uses less digits than its factorization.

5212312445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17089615.

The product of its digits is 9600, while the sum is 29.

The square root of 5212312445 is about 72196.3464795830. The cubic root of 5212312445 is about 1733.8445074171.

The spelling of 5212312445 in words is "five billion, two hundred twelve million, three hundred twelve thousand, four hundred forty-five".

Divisors: 1 5 61 305 17089549 85447745 1042462489 5212312445