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245120305052 = 22764113657249
BaseRepresentation
bin1110010001001001001…
…1110000011110011100
3212102200212002200001202
43210102103300132130
513004001244230202
6304335014455032
723465211133610
oct3442223603634
9772625080052
10245120305052
1194a56027207
123b60a364478
131a16513302c
14bc14709340
156599728802
hex39124f079c

245120305052 has 24 divisors (see below), whose sum is σ = 491005452000. Its totient is φ = 104887664640.

The previous prime is 245120305037. The next prime is 245120305057. The reversal of 245120305052 is 250503021542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245120305057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6810677 + ... + 6846572.

It is an arithmetic number, because the mean of its divisors is an integer number (20458560500).

Almost surely, 2245120305052 is an apocalyptic number.

It is an amenable number.

245120305052 is an abundant number, since it is smaller than the sum of its proper divisors (245885146948).

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

245120305052 is a wasteful number, since it uses less digits than its factorization.

245120305052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13657901 (or 13657899 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 245120305052 its reverse (250503021542), we get a palindrome (495623326594).

The spelling of 245120305052 in words is "two hundred forty-five billion, one hundred twenty million, three hundred five thousand, fifty-two".

Divisors: 1 2 4 7 14 28 641 1282 2564 4487 8974 17948 13657249 27314498 54628996 95600743 191201486 382402972 8754296609 17508593218 35017186436 61280076263 122560152526 245120305052