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4575815248820 = 225538142518261
BaseRepresentation
bin100001010010110001111…
…0101111010101110110100
3121012102222102200002202012
41002211203311322232310
51044432232200430240
613422033413103352
7651406652603354
oct102454365725664
917172872602665
104575815248820
1115046574646a2
1261a9a7327b58
132726610b128a
1411b683614b64
157e0629e0b65
hex42963d7abb4

4575815248820 has 24 divisors (see below), whose sum is σ = 9610998015528. Its totient is φ = 1829985910400.

The previous prime is 4575815248813. The next prime is 4575815248831. The reversal of 4575815248820 is 288425185754.

It can be written as a sum of positive squares in 4 ways, for example, as 1162588558756 + 3413226690064 = 1078234^2 + 1847492^2 .

It is a super-2 number, since 2×45758152488202 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4575815248820.

It is a congruent number.

It is an unprimeable number.

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, 21151511 + ... + 21366750.

It is an arithmetic number, because the mean of its divisors is an integer number (400458250647).

Almost surely, 24575815248820 is an apocalyptic number.

It is an amenable number.

4575815248820 is an abundant number, since it is smaller than the sum of its proper divisors (5035182766708).

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

4575815248820 is a wasteful number, since it uses less digits than its factorization.

4575815248820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42523651 (or 42523649 counting only the distinct ones).

The product of its (nonzero) digits is 28672000, while the sum is 59.

The spelling of 4575815248820 in words is "four trillion, five hundred seventy-five billion, eight hundred fifteen million, two hundred forty-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 5381 10762 21524 26905 53810 107620 42518261 85036522 170073044 212591305 425182610 850365220 228790762441 457581524882 915163049764 1143953812205 2287907624410 4575815248820