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40052415043451 = 2911338331911961
BaseRepresentation
bin10010001101101011011011…
…11110001001011101111011
312020210222021200002002202002
421012311231332021131323
520222204321222342301
6221103454144331215
711302456116416336
oct1106655576113573
9166728250062662
1040052415043451
1111842152144aa8
1245aa514913b0b
131946c0778c485
149c679386361d
15496cc660a16b
hex246d6df8977b

40052415043451 has 16 divisors (see below), whose sum is σ = 41909341455360. Its totient is φ = 38228996305920.

The previous prime is 40052415043441. The next prime is 40052415043463. The reversal of 40052415043451 is 15434051425004.

It is a cyclic number.

It is not a de Polignac number, because 40052415043451 - 214 = 40052415027067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40052415043441) 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, 14700890 + ... + 17211071.

It is an arithmetic number, because the mean of its divisors is an integer number (2619333840960).

Almost surely, 240052415043451 is an apocalyptic number.

40052415043451 is a deficient number, since it is larger than the sum of its proper divisors (1856926411909).

40052415043451 is a wasteful number, since it uses less digits than its factorization.

40052415043451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31912486.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 40052415043451 its reverse (15434051425004), we get a palindrome (55486466468455).

The spelling of 40052415043451 in words is "forty trillion, fifty-two billion, four hundred fifteen million, forty-three thousand, four hundred fifty-one".

Divisors: 1 29 113 383 3277 11107 43279 1255091 31911961 925446869 3606051593 12222281063 104575496197 354446150827 1381117760119 40052415043451