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537905789984 = 25137211225097
BaseRepresentation
bin1111101001111011010…
…11101111110000100000
31220102102120122100200002
413310331223233300200
532303112340234414
61051035511515132
753601543526523
oct7647553576040
91812376570602
10537905789984
11198140882562
12882bb688aa8
133b95538b9c4
141c06b610bba
15ded38484de
hex7d3daefc20

537905789984 has 24 divisors (see below), whose sum is σ = 1059080069628. Its totient is φ = 268933073920.

The previous prime is 537905789983. The next prime is 537905790017. The reversal of 537905789984 is 489987509735.

It can be written as a sum of positive squares in 2 ways, for example, as 417238483600 + 120667306384 = 645940^2 + 347372^2 .

It is a super-2 number, since 2×5379057899842 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537905789983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173477 + ... + 1051620.

Almost surely, 2537905789984 is an apocalyptic number.

It is an amenable number.

537905789984 is a deficient number, since it is larger than the sum of its proper divisors (521174279644).

537905789984 is a wasteful number, since it uses less digits than its factorization.

537905789984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238828 (or 1238820 counting only the distinct ones).

The product of its (nonzero) digits is 685843200, while the sum is 74.

The spelling of 537905789984 in words is "five hundred thirty-seven billion, nine hundred five million, seven hundred eighty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 32 13721 27442 54884 109768 219536 439072 1225097 2450194 4900388 9800776 19601552 39203104 16809555937 33619111874 67238223748 134476447496 268952894992 537905789984