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45201121030531 = 4720632381195791
BaseRepresentation
bin10100100011100001101001…
…10000110011000110000011
312221001011222211202002000101
422101300310300303012003
521411033343440434111
6240045035222303231
712343446626256364
oct1221606460630603
9187034884662011
1045201121030531
1113447762481644
1250a0343b87b17
131c2b5a7cb306b
14b23a62b97b6b
15535bb8eeebc1
hex291c34c33183

45201121030531 has 16 divisors (see below), whose sum is σ = 46204856967168. Its totient is φ = 44199153930400.

The previous prime is 45201121030529. The next prime is 45201121030591. The reversal of 45201121030531 is 13503012110254.

It is a cyclic number.

It is not a de Polignac number, because 45201121030531 - 21 = 45201121030529 is a prime.

It is a super-2 number, since 2×452011210305312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45201121030531.

It is not an unprimeable number, because it can be changed into a prime (45201121030501) 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, 230766246 + ... + 230962036.

It is an arithmetic number, because the mean of its divisors is an integer number (2887803560448).

Almost surely, 245201121030531 is an apocalyptic number.

45201121030531 is a deficient number, since it is larger than the sum of its proper divisors (1003735936637).

45201121030531 is a wasteful number, since it uses less digits than its factorization.

45201121030531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200282.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 45201121030531 its reverse (13503012110254), we get a palindrome (58704133140785).

The spelling of 45201121030531 in words is "forty-five trillion, two hundred one billion, one hundred twenty-one million, thirty thousand, five hundred thirty-one".

Divisors: 1 47 2063 2381 96961 111907 195791 4912003 9202177 230864141 403916833 466178371 18984091151 21910383437 961725979373 45201121030531