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53505205155340 = 2253772304331291
BaseRepresentation
bin11000010101001101001101…
…01111110011011000001100
321000110001021202001112121121
430022212212233303120030
524003112130004432330
6305443541340410324
714161423601560561
oct1412464657633014
9230401252045547
1053505205155340
1116059480483534
126001800b469a4
1323b16998a0203
14d2d946b4a868
1562bbd6e6517a
hex30a9a6bf360c

53505205155340 has 24 divisors (see below), whose sum is σ = 115397712742032. Its totient is φ = 20823647411520.

The previous prime is 53505205155307. The next prime is 53505205155343. The reversal of 53505205155340 is 4355150250535.

53505205155340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×535052051553402 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53505205155343) 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 7 ways as a sum of consecutive naturals, for example, 36152164906 + ... + 36152166385.

It is an arithmetic number, because the mean of its divisors is an integer number (4808238030918).

Almost surely, 253505205155340 is an apocalyptic number.

It is an amenable number.

53505205155340 is an abundant number, since it is smaller than the sum of its proper divisors (61892507586692).

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

53505205155340 is a wasteful number, since it uses less digits than its factorization.

53505205155340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72304331337 (or 72304331335 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 43.

The spelling of 53505205155340 in words is "fifty-three trillion, five hundred five billion, two hundred five million, one hundred fifty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 72304331291 144608662582 289217325164 361521656455 723043312910 1446086625820 2675260257767 5350520515534 10701041031068 13376301288835 26752602577670 53505205155340