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40048763047 = 172355809591
BaseRepresentation
bin100101010011000101…
…111010000010100111
310211101001210221211021
4211103011322002213
51124004440404142
630221555552011
72615305604056
oct452305720247
9124331727737
1040048763047
1115a91534487
1279182bb607
133a131c6937
141d1cc6239d
151095e1a267
hex95317a0a7

40048763047 has 4 divisors (see below), whose sum is σ = 42404572656. Its totient is φ = 37692953440.

The previous prime is 40048763023. The next prime is 40048763101. The reversal of 40048763047 is 74036784004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40048763047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40048762994 and 40048763012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40048763017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177904779 + ... + 1177904812.

It is an arithmetic number, because the mean of its divisors is an integer number (10601143164).

Almost surely, 240048763047 is an apocalyptic number.

40048763047 is a deficient number, since it is larger than the sum of its proper divisors (2355809609).

40048763047 is a wasteful number, since it uses less digits than its factorization.

40048763047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355809608.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 40048763047 in words is "forty billion, forty-eight million, seven hundred sixty-three thousand, forty-seven".

Divisors: 1 17 2355809591 40048763047