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520420150344 = 233117701184231
BaseRepresentation
bin1111001001010110111…
…01010100110001001000
31211202021222022211102010
413210223131110301020
532011310024302334
61035024441535520
752412332201353
oct7445335246110
91752258284363
10520420150344
11190788675706
1284a3b7a45a0
133a0c98a0983
141b28d23729a
15d80d6e30e9
hex792b754c48

520420150344 has 32 divisors (see below), whose sum is σ = 1301068491840. Its totient is φ = 173470968000.

The previous prime is 520420150337. The next prime is 520420150387. The reversal of 520420150344 is 443051024025.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2732709 + ... + 2916939.

It is an arithmetic number, because the mean of its divisors is an integer number (40658390370).

Almost surely, 2520420150344 is an apocalyptic number.

It is an amenable number.

520420150344 is an abundant number, since it is smaller than the sum of its proper divisors (780648341496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520420150344 is a wasteful number, since it uses less digits than its factorization.

520420150344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301941 (or 301937 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 520420150344 its reverse (443051024025), we get a palindrome (963471174369).

The spelling of 520420150344 in words is "five hundred twenty billion, four hundred twenty million, one hundred fifty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 117701 184231 235402 353103 368462 470804 552693 706206 736924 941608 1105386 1412412 1473848 2210772 2824824 4421544 21684172931 43368345862 65052518793 86736691724 130105037586 173473383448 260210075172 520420150344