Search a number
-
+
40472443343 = 1918439115523
BaseRepresentation
bin100101101100010110…
…000111100111001111
310212110121001010221002
4211230112013213033
51130341421141333
630332012530515
72631642043433
oct455426074717
9125417033832
1040472443343
1116189703792
127a16180a3b
133a7cc09837
141d5d22c9c3
1510bd20a0e8
hex96c5879cf

40472443343 has 8 divisors (see below), whose sum is σ = 42605251200. Its totient is φ = 38339903448.

The previous prime is 40472443321. The next prime is 40472443351. The reversal of 40472443343 is 34334427404.

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

It is a cyclic number.

It is not a de Polignac number, because 40472443343 - 212 = 40472439247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40472443297 and 40472443306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40472473343) 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, 292580 + ... + 408102.

It is an arithmetic number, because the mean of its divisors is an integer number (5325656400).

Almost surely, 240472443343 is an apocalyptic number.

40472443343 is a deficient number, since it is larger than the sum of its proper divisors (2132807857).

40472443343 is a wasteful number, since it uses less digits than its factorization.

40472443343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133981.

The product of its (nonzero) digits is 387072, while the sum is 38.

The spelling of 40472443343 in words is "forty billion, four hundred seventy-two million, four hundred forty-three thousand, three hundred forty-three".

Divisors: 1 19 18439 115523 350341 2194937 2130128597 40472443343