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2301143231220 = 2235102667373561
BaseRepresentation
bin100001011111000110110…
…100110010101011110100
322010222122121222001010020
4201133012310302223310
5300200220131344340
64521044113325140
7325152321510141
oct41370664625364
98128577861106
102301143231220
11807a003aa679
12311b882667b0
13138cc619c152
147d5397853c8
153ecd0c119d0
hex217c6d32af4

2301143231220 has 48 divisors (see below), whose sum is σ = 6443281053888. Its totient is φ = 613630575360.

The previous prime is 2301143231171. The next prime is 2301143231227. The reversal of 2301143231220 is 221323411032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301143231227) 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, 5973240 + ... + 6346800.

It is an arithmetic number, because the mean of its divisors is an integer number (134235021956).

Almost surely, 22301143231220 is an apocalyptic number.

2301143231220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2301143231220 is an abundant number, since it is smaller than the sum of its proper divisors (4142137822668).

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

2301143231220 is a wasteful number, since it uses less digits than its factorization.

2301143231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476240 (or 476238 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2301143231220 its reverse (221323411032), we get a palindrome (2522466642252).

The spelling of 2301143231220 in words is "two trillion, three hundred one billion, one hundred forty-three million, two hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 102667 205334 308001 373561 410668 513335 616002 747122 1026670 1120683 1232004 1494244 1540005 1867805 2053340 2241366 3080010 3735610 4482732 5603415 6160020 7471220 11206830 22413660 38352387187 76704774374 115057161561 153409548748 191761935935 230114323122 383523871870 460228646244 575285807805 767047743740 1150571615610 2301143231220