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53700400387240 = 2353370213983461
BaseRepresentation
bin11000011010111000110010…
…10010100001010010101000
321001010201010020022201100221
430031130121102201102220
524014311404444342430
6310113342351535424
714211503660635405
oct1415343122412250
9231121106281327
1053700400387240
1116124237063302
1260335b752a574
1323c6c06638729
14d39182a6b2ac
15631d0d69957a
hex30d7194a14a8

53700400387240 has 32 divisors (see below), whose sum is σ = 120826289714760. Its totient is φ = 21480091027200.

The previous prime is 53700400387211. The next prime is 53700400387241. The reversal of 53700400387240 is 4278300400735.

It can be written as a sum of positive squares in 4 ways, for example, as 11130804273796 + 42569596113444 = 3336286^2 + 6524538^2 .

It is not an unprimeable number, because it can be changed into a prime (53700400387241) 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 7 ways as a sum of consecutive naturals, for example, 11489110 + ... + 15472570.

Almost surely, 253700400387240 is an apocalyptic number.

It is an amenable number.

53700400387240 is an abundant number, since it is smaller than the sum of its proper divisors (67125889327520).

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

53700400387240 is a wasteful number, since it uses less digits than its factorization.

53700400387240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320493 (or 4320489 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

Adding to 53700400387240 its reverse (4278300400735), we get a palindrome (57978700787975).

The spelling of 53700400387240 in words is "fifty-three trillion, seven hundred billion, four hundred million, three hundred eighty-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 337021 674042 1348084 1685105 2696168 3370210 3983461 6740420 7966922 13480840 15933844 19917305 31867688 39834610 79669220 159338440 1342510009681 2685020019362 5370040038724 6712550048405 10740080077448 13425100096810 26850200193620 53700400387240