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2520230165220 = 2235411024483807
BaseRepresentation
bin100100101011001001011…
…011000111101011100100
322220221011011200102210010
4210223021123013223210
5312242412410241340
65205435554530220
7350036436643065
oct44531133075344
98827134612703
102520230165220
11891907253899
1234852bb96970
1315386c9762c1
1489da079056c
1545854b93b80
hex24ac96c7ae4

2520230165220 has 48 divisors (see below), whose sum is σ = 7228757749248. Its totient is φ = 655669635840.

The previous prime is 2520230165209. The next prime is 2520230165227. The reversal of 2520230165220 is 225610320252.

2520230165220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2520230165227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512239444 + ... + 512244363.

It is an arithmetic number, because the mean of its divisors is an integer number (150599119776).

Almost surely, 22520230165220 is an apocalyptic number.

2520230165220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520230165220 is an abundant number, since it is smaller than the sum of its proper divisors (4708527584028).

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

2520230165220 is a wasteful number, since it uses less digits than its factorization.

2520230165220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024483860 (or 1024483858 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2520230165220 its reverse (225610320252), we get a palindrome (2745840485472).

The spelling of 2520230165220 in words is "two trillion, five hundred twenty billion, two hundred thirty million, one hundred sixty-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 1024483807 2048967614 3073451421 4097935228 5122419035 6146902842 10244838070 12293805684 15367257105 20489676140 30734514210 42003836087 61469028420 84007672174 126011508261 168015344348 210019180435 252023016522 420038360870 504046033044 630057541305 840076721740 1260115082610 2520230165220