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20372370444525 = 3521168336154879
BaseRepresentation
bin1001010000111010011111…
…11001110101000011101101
32200010120122112011000212010
410220131033321311003231
510132240103313211100
6111154534321031433
74201566221413011
oct450351771650355
980116575130763
1020372370444525
116544968011470
122350375785579
13b4a14c698088
14506056b40541
15254deacde750
hex12874fe750ed

20372370444525 has 48 divisors (see below), whose sum is σ = 36798147624960. Its totient is φ = 9863050718400.

The previous prime is 20372370444499. The next prime is 20372370444599. The reversal of 20372370444525 is 52544407327302.

It is a happy number.

It is not a de Polignac number, because 20372370444525 - 214 = 20372370428141 is a prime.

It is a super-2 number, since 2×203723704445252 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17513965 + ... + 18640914.

It is an arithmetic number, because the mean of its divisors is an integer number (766628075520).

Almost surely, 220372370444525 is an apocalyptic number.

20372370444525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20372370444525 is a deficient number, since it is larger than the sum of its proper divisors (16425777180435).

20372370444525 is a wasteful number, since it uses less digits than its factorization.

20372370444525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36155586 (or 36155581 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 48.

The spelling of 20372370444525 in words is "twenty trillion, three hundred seventy-two billion, three hundred seventy million, four hundred forty-four thousand, five hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 683 825 2049 3415 7513 10245 17075 22539 37565 51225 112695 187825 563475 36154879 108464637 180774395 397703669 542323185 903871975 1193111007 1988518345 2711615925 5965555035 9942591725 24693782357 29827775175 74081347071 123468911785 271631605927 370406735355 617344558925 814894817781 1358158029635 1852033676775 4074474088905 6790790148175 20372370444525