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53005280500 = 2253106010561
BaseRepresentation
bin110001010111010111…
…000110010011110100
312001211000210020110001
4301113113012103310
51332023322434000
640203355041044
73554343310324
oct612727062364
9161730706401
1053005280500
112053010a847
12a333440184
134cc9582903
1427cb90d284
1515a362d46a
hexc575c64f4

53005280500 has 24 divisors (see below), whose sum is σ = 115763533704. Its totient is φ = 21202112000.

The previous prime is 53005280477. The next prime is 53005280501. The reversal of 53005280500 is 508250035.

It can be written as a sum of positive squares in 4 ways, for example, as 8498627344 + 44506653156 = 92188^2 + 210966^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005280501) 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, 53004781 + ... + 53005780.

It is an arithmetic number, because the mean of its divisors is an integer number (4823480571).

Almost surely, 253005280500 is an apocalyptic number.

53005280500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53005280500 is an abundant number, since it is smaller than the sum of its proper divisors (62758253204).

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

53005280500 is a wasteful number, since it uses less digits than its factorization.

53005280500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106010580 (or 106010568 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 53005280500 in words is "fifty-three billion, five million, two hundred eighty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 106010561 212021122 424042244 530052805 1060105610 2120211220 2650264025 5300528050 10601056100 13251320125 26502640250 53005280500