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451884830813 = 13138841250361
BaseRepresentation
bin1101001001101100110…
…11110101000001011101
31121012101122000212102022
412210312123311001131
524400430004041223
6543332032105525
744435061454223
oct6446633650135
91535348025368
10451884830813
1116470922a769
12736b33952a5
13337c6a30270
1417c2ad6cb13
15bb4b9a1ac8
hex69366f505d

451884830813 has 8 divisors (see below), whose sum is σ = 486650651256. Its totient is φ = 417119788800.

The previous prime is 451884830807. The next prime is 451884830849. The reversal of 451884830813 is 318038488154.

It can be written as a sum of positive squares in 4 ways, for example, as 42026230009 + 409858600804 = 205003^2 + 640202^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 451884830813 - 24 = 451884830797 is a prime.

It is a super-3 number, since 3×4518848308133 (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451884835813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1679753 + ... + 1930113.

It is an arithmetic number, because the mean of its divisors is an integer number (60831331407).

Almost surely, 2451884830813 is an apocalyptic number.

It is an amenable number.

451884830813 is a deficient number, since it is larger than the sum of its proper divisors (34765820443).

451884830813 is a wasteful number, since it uses less digits than its factorization.

451884830813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389215.

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 451884830813 in words is "four hundred fifty-one billion, eight hundred eighty-four million, eight hundred thirty thousand, eight hundred thirteen".

Divisors: 1 13 138841 250361 1804933 3254693 34760371601 451884830813