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40030523144454 = 2353251501522503
BaseRepresentation
bin10010001101000010101010…
…00111001011100100000110
312020201212202222121101222010
421012201111013023210012
520221330002411110304
6221045433553115050
711301052452353043
oct1106412507134406
9166655688541863
1040030523144454
11118339387a3297
1245a6225258a86
131944b2915939b
149c56b81c21ca
15496444731789
hex2468551cb906

40030523144454 has 32 divisors (see below), whose sum is σ = 81896618813184. Its totient is φ = 13039585052000.

The previous prime is 40030523144453. The next prime is 40030523144459. The reversal of 40030523144454 is 45444132503004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030523144453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250681434 + ... + 250841069.

It is an arithmetic number, because the mean of its divisors is an integer number (2559269337912).

Almost surely, 240030523144454 is an apocalyptic number.

40030523144454 is an abundant number, since it is smaller than the sum of its proper divisors (41866095668730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40030523144454 is a wasteful number, since it uses less digits than its factorization.

40030523144454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501522812.

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 40030523144454 its reverse (45444132503004), we get a palindrome (85474655647458).

The spelling of 40030523144454 in words is "forty trillion, thirty billion, five hundred twenty-three million, one hundred forty-four thousand, four hundred fifty-four".

Divisors: 1 2 3 6 53 106 159 251 318 502 753 1506 13303 26606 39909 79818 501522503 1003045006 1504567509 3009135018 26580692659 53161385318 79742077977 125882148253 159484155954 251764296506 377646444759 755292889518 6671753857409 13343507714818 20015261572227 40030523144454