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40031203303 = 7131923152807
BaseRepresentation
bin100101010010000010…
…111010111111100111
310211022211202211101101
4211102002322333213
51123440442001203
630220131340531
72615003420350
oct452202727747
9124284684341
1040031203303
1115a826305a3
127912451747
133a0c689160
141d1a7b0d27
1510945ec41d
hex9520bafe7

40031203303 has 16 divisors (see below), whose sum is σ = 51862289920. Its totient is φ = 30006036576.

The previous prime is 40031203291. The next prime is 40031203307. The reversal of 40031203303 is 30330213004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40031203303 is a prime.

It is a super-2 number, since 2×400312033032 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40031203307) 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, 11574675 + ... + 11578132.

It is an arithmetic number, because the mean of its divisors is an integer number (3241393120).

Almost surely, 240031203303 is an apocalyptic number.

40031203303 is a deficient number, since it is larger than the sum of its proper divisors (11831086617).

40031203303 is a wasteful number, since it uses less digits than its factorization.

40031203303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23152846.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 40031203303 its reverse (30330213004), we get a palindrome (70361416307).

The spelling of 40031203303 in words is "forty billion, thirty-one million, two hundred three thousand, three hundred three".

Divisors: 1 7 13 19 91 133 247 1729 23152807 162069649 300986491 439903333 2106905437 3079323331 5718743329 40031203303