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53244043220 = 2252662202161
BaseRepresentation
bin110001100101100101…
…111001111111010100
312002102200001122022202
4301211211321333110
51333020433340340
640243204344032
73563302620464
oct614545717724
9162380048282
1053244043220
1120642968805
12a39b3a5018
135036b8c524
142811501ba4
1515b9592c15
hexc65979fd4

53244043220 has 12 divisors (see below), whose sum is σ = 111812490804. Its totient is φ = 21297617280.

The previous prime is 53244043133. The next prime is 53244043243. The reversal of 53244043220 is 2234044235.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34738249924 + 18505793296 = 186382^2 + 136036^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331101061 + ... + 1331101100.

It is an arithmetic number, because the mean of its divisors is an integer number (9317707567).

Almost surely, 253244043220 is an apocalyptic number.

It is an amenable number.

53244043220 is an abundant number, since it is smaller than the sum of its proper divisors (58568447584).

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

53244043220 is a wasteful number, since it uses less digits than its factorization.

53244043220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662202170 (or 2662202168 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 53244043220 its reverse (2234044235), we get a palindrome (55478087455).

The spelling of 53244043220 in words is "fifty-three billion, two hundred forty-four million, forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2662202161 5324404322 10648808644 13311010805 26622021610 53244043220