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42636726047 = 1979193147179
BaseRepresentation
bin100111101101010110…
…001100111100011111
311002001102112002122202
4213231112030330133
51144310000213142
631330445002115
73036402122516
oct475526147437
9132042462582
1042636726047
111709a358383
12831ab5333b
134036413aa6
1420c684d67d
15119821e032
hex9ed58cf1f

42636726047 has 16 divisors (see below), whose sum is σ = 45684672000. Its totient is φ = 39674479104.

The previous prime is 42636726017. The next prime is 42636726061. The reversal of 42636726047 is 74062763624.

It is a cyclic number.

It is not a de Polignac number, because 42636726047 - 26 = 42636725983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42636725992 and 42636726010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42636726017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216104 + ... + 363282.

It is an arithmetic number, because the mean of its divisors is an integer number (2855292000).

Almost surely, 242636726047 is an apocalyptic number.

42636726047 is a deficient number, since it is larger than the sum of its proper divisors (3047945953).

42636726047 is a wasteful number, since it uses less digits than its factorization.

42636726047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147470.

The product of its (nonzero) digits is 2032128, while the sum is 47.

The spelling of 42636726047 in words is "forty-two billion, six hundred thirty-six million, seven hundred twenty-six thousand, forty-seven".

Divisors: 1 19 79 193 1501 3667 15247 147179 289693 2796401 11627141 28405547 220915679 539705393 2244038213 42636726047