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511340013331124 = 221666119997383693
BaseRepresentation
bin111010001000011111001111…
…1110110101010001010110100
32111001111121221201022011211212
41310100332133312222022310
51014010243321403043444
65011310205331020552
7212464045133026625
oct16420763766521264
92431447851264755
10511340013331124
11138a24099a1197a
1249425153a3a758
1318c42205685a23
14903adbadb1a4c
153e1b1d94d319e
hex1d10f9fdaa2b4

511340013331124 has 24 divisors (see below), whose sum is σ = 894945816388008. Its totient is φ = 255641210330240.

The previous prime is 511340013331123. The next prime is 511340013331127. The reversal of 511340013331124 is 421133310043115.

It can be written as a sum of positive squares in 4 ways, for example, as 104699963290000 + 406640050041124 = 10232300^2 + 20165318^2 .

It is a super-2 number, since 2×5113400133311242 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511340013331123) 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, 1332488222 + ... + 1332871914.

It is an arithmetic number, because the mean of its divisors is an integer number (37289409016167).

Almost surely, 2511340013331124 is an apocalyptic number.

It is an amenable number.

511340013331124 is a deficient number, since it is larger than the sum of its proper divisors (383605803056884).

511340013331124 is a wasteful number, since it uses less digits than its factorization.

511340013331124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420355 (or 420353 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 511340013331124 its reverse (421133310043115), we get a palindrome (932473323374239).

The spelling of 511340013331124 in words is "five hundred eleven trillion, three hundred forty billion, thirteen million, three hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 16661 19997 33322 39994 66644 79988 383693 767386 1534772 333170017 666340034 1332680068 6392709073 7672708921 12785418146 15345417842 25570836292 30690835684 127835003332781 255670006665562 511340013331124