Search a number
-
+
40048849747 = 172355814691
BaseRepresentation
bin100101010011000110…
…001111001101010011
310211101001222100202101
4211103012033031103
51124010001142442
630222001501231
72615306414614
oct452306171523
9124331870671
1040048849747
1115a91593635
127918341817
133a1322723a
141d1cc85c0b
151095e35cb7
hex95318f353

40048849747 has 4 divisors (see below), whose sum is σ = 42404664456. Its totient is φ = 37693035040.

The previous prime is 40048849741. The next prime is 40048849793. The reversal of 40048849747 is 74794884004.

40048849747 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.

It is a cyclic number.

It is not a de Polignac number, because 40048849747 - 23 = 40048849739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40048849741) 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, 1177907329 + ... + 1177907362.

It is an arithmetic number, because the mean of its divisors is an integer number (10601166114).

Almost surely, 240048849747 is an apocalyptic number.

40048849747 is a deficient number, since it is larger than the sum of its proper divisors (2355814709).

40048849747 is a wasteful number, since it uses less digits than its factorization.

40048849747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355814708.

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 40048849747 in words is "forty billion, forty-eight million, eight hundred forty-nine thousand, seven hundred forty-seven".

Divisors: 1 17 2355814691 40048849747