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47962139495 = 59592427899
BaseRepresentation
bin101100101010110001…
…000010101101100111
311120210120020010112212
4230222301002231213
51241211301430440
634011123034035
73315355313324
oct545261025547
9146716203485
1047962139495
1119382417316
12936650b91b
1346a47ca8ca
14246dc1bb4b
1513aaa04465
hexb2ac42b67

47962139495 has 4 divisors (see below), whose sum is σ = 57554567400. Its totient is φ = 38369711592.

The previous prime is 47962139483. The next prime is 47962139497. The reversal of 47962139495 is 59493126974.

47962139495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59493126974 = 229746563487.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47962139495 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47962139497) 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, 4796213945 + ... + 4796213954.

It is an arithmetic number, because the mean of its divisors is an integer number (14388641850).

Almost surely, 247962139495 is an apocalyptic number.

47962139495 is a deficient number, since it is larger than the sum of its proper divisors (9592427905).

47962139495 is an equidigital number, since it uses as much as digits as its factorization.

47962139495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592427904.

The product of its digits is 14696640, while the sum is 59.

The spelling of 47962139495 in words is "forty-seven billion, nine hundred sixty-two million, one hundred thirty-nine thousand, four hundred ninety-five".

Divisors: 1 5 9592427899 47962139495