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40031233445 = 571143749527
BaseRepresentation
bin100101010010000011…
…000010010110100101
310211022211211100201202
4211102003002112211
51123440443432240
630220132132245
72615003604260
oct452203022645
9124284740652
1040031233445
1115a82651205
127912467085
133a0c699aa8
141d1a7bbcd7
151094606315
hex9520c25a5

40031233445 has 8 divisors (see below), whose sum is σ = 54899977344. Its totient is φ = 27449988624.

The previous prime is 40031233433. The next prime is 40031233471. The reversal of 40031233445 is 54433213004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40031233445 is a prime.

It is a super-2 number, since 2×400312334452 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571874729 + ... + 571874798.

It is an arithmetic number, because the mean of its divisors is an integer number (6862497168).

Almost surely, 240031233445 is an apocalyptic number.

It is an amenable number.

40031233445 is a deficient number, since it is larger than the sum of its proper divisors (14868743899).

40031233445 is a wasteful number, since it uses less digits than its factorization.

40031233445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143749539.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 40031233445 its reverse (54433213004), we get a palindrome (94464446449).

The spelling of 40031233445 in words is "forty billion, thirty-one million, two hundred thirty-three thousand, four hundred forty-five".

Divisors: 1 5 7 35 1143749527 5718747635 8006246689 40031233445