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385132042505 = 57129722513769
BaseRepresentation
bin1011001101010111010…
…10001001100100001001
31100211002111212212120102
411212223222021210021
522302222300330010
6452532140135145
736552634230110
oct5465352114411
91324074785512
10385132042505
11139373aa7921
1262783b374b5
132a419274662
14148d7710c77
15a0414b7ba5
hex59aba89909

385132042505 has 32 divisors (see below), whose sum is σ = 528963452160. Its totient is φ = 263699712000.

The previous prime is 385132042487. The next prime is 385132042507. The reversal of 385132042505 is 505240231583.

It is not a de Polignac number, because 385132042505 - 212 = 385132038409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (385132042507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102182261 + ... + 102186029.

It is an arithmetic number, because the mean of its divisors is an integer number (16530107880).

Almost surely, 2385132042505 is an apocalyptic number.

385132042505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

385132042505 is a deficient number, since it is larger than the sum of its proper divisors (143831409655).

385132042505 is a wasteful number, since it uses less digits than its factorization.

385132042505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 385132042505 in words is "three hundred eighty-five billion, one hundred thirty-two million, forty-two thousand, five hundred five".

Divisors: 1 5 7 35 1297 2251 3769 6485 9079 11255 15757 18845 26383 45395 78785 131915 2919547 4888393 8484019 14597735 20436829 24441965 34218751 42420095 59388133 102184145 171093755 296940665 11003772643 55018863215 77026408501 385132042505