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452043144055421 = 71139739152340697
BaseRepresentation
bin110011011001000010111111…
…1000001100100101001111101
32012021112220100221102022222022
41212302011333001210221331
5433222233324334233141
64241225430432125525
7164134016341315622
oct14662057701445175
92167486327368868
10452043144055421
1112104246a095a16
1242848ba63968a5
1316530640a69069
147d8b00d694349
15373da2d79eb4b
hex19b217f064a7d

452043144055421 has 32 divisors (see below), whose sum is σ = 462647570918400. Its totient is φ = 441570310392960.

The previous prime is 452043144055409. The next prime is 452043144055469. The reversal of 452043144055421 is 124550441340254.

It is a cyclic number.

It is not a de Polignac number, because 452043144055421 - 214 = 452043144039037 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 (452043144055471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11107509545 + ... + 11107550241.

It is an arithmetic number, because the mean of its divisors is an integer number (14457736591200).

Almost surely, 2452043144055421 is an apocalyptic number.

It is an amenable number.

452043144055421 is a deficient number, since it is larger than the sum of its proper divisors (10604426862979).

452043144055421 is a wasteful number, since it uses less digits than its factorization.

452043144055421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43169.

The product of its (nonzero) digits is 1536000, while the sum is 44.

Adding to 452043144055421 its reverse (124550441340254), we get a palindrome (576593585395675).

The spelling of 452043144055421 in words is "four hundred fifty-two trillion, forty-three billion, one hundred forty-four million, fifty-five thousand, four hundred twenty-one".

Divisors: 1 71 139 739 1523 9869 40697 52469 102721 108133 211697 1125497 2889487 5656883 7293191 15030487 30075083 61981531 79910287 156444083 401638693 2135330893 4180436537 4400688701 8615432809 11107529893 45804351409 296810994127 611695729439 3252108950039 6366804845851 452043144055421