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40315141543 = 234799137633
BaseRepresentation
bin100101100010111110…
…000011110110100111
310212001122001101102111
4211202332003312213
51130031134012133
630304233221451
72625022022545
oct454276036647
9125048041374
1040315141543
11161089345a6
127991561887
133a56452251
141d463a2d95
1510ae4d71cd
hex962f83da7

40315141543 has 16 divisors (see below), whose sum is σ = 43007533056. Its totient is φ = 37702748160.

The previous prime is 40315141519. The next prime is 40315141553. The reversal of 40315141543 is 34514151304.

It is not a de Polignac number, because 40315141543 - 225 = 40281587111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40315141553) 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, 1052455 + ... + 1090087.

It is an arithmetic number, because the mean of its divisors is an integer number (2687970816).

Almost surely, 240315141543 is an apocalyptic number.

40315141543 is a deficient number, since it is larger than the sum of its proper divisors (2692391513).

40315141543 is a wasteful number, since it uses less digits than its factorization.

40315141543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38694.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 40315141543 its reverse (34514151304), we get a palindrome (74829292847).

The spelling of 40315141543 in words is "forty billion, three hundred fifteen million, one hundred forty-one thousand, five hundred forty-three".

Divisors: 1 23 47 991 1081 22793 37633 46577 865559 1071271 1768751 37294303 40681273 857768969 1752832241 40315141543