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538427102346458 = 21324349366286409
BaseRepresentation
bin111101001101100100101010…
…0001011000011110011011010
32121121102010110112002000202022
41322123021110023003303122
51031033042201200041313
65145045555054334442
7221261034346534613
oct17233112413036332
92547363415060668
10538427102346458
11146617719566496
125047a9431ba422
131a1585c4c9b800
1496d60218ccc0a
15423aad0585c08
hex1e9b2542c3cda

538427102346458 has 24 divisors (see below), whose sum is σ = 874746890041500. Its totient is φ = 248447675109504.

The previous prime is 538427102346451. The next prime is 538427102346493. The reversal of 538427102346458 is 854643201724835.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 58239074891209 + 480188027455249 = 7631453^2 + 21913193^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 538427102346458.

It is not an unprimeable number, because it can be changed into a prime (538427102346451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181673243 + ... + 184613166.

Almost surely, 2538427102346458 is an apocalyptic number.

538427102346458 is a deficient number, since it is larger than the sum of its proper divisors (336319787695042).

538427102346458 is a wasteful number, since it uses less digits than its factorization.

538427102346458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366290786 (or 366290773 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 62.

The spelling of 538427102346458 in words is "five hundred thirty-eight trillion, four hundred twenty-seven billion, one hundred two million, three hundred forty-six thousand, four hundred fifty-eight".

Divisors: 1 2 13 26 169 338 4349 8698 56537 113074 734981 1469962 366286409 732572818 4761723317 9523446634 61902403121 123804806242 1592979592741 3185959185482 20708734705633 41417469411266 269213551173229 538427102346458