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2130123010220 = 225198836348343
BaseRepresentation
bin11110111111110101001…
…110011011000010101100
321112122012221020122212222
4132333311032123002230
5234344442442311340
64310322012414512
7306616301561552
oct36776516330254
97478187218788
102130123010220
1175141a9a8357
122a49b9a77438
13125b3ca77cca
1475154419bd2
153a621a3d8b5
hex1eff539b0ac

2130123010220 has 48 divisors (see below), whose sum is σ = 4714026320640. Its totient is φ = 806290220736.

The previous prime is 2130123010207. The next prime is 2130123010237. The reversal of 2130123010220 is 220103210312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2838632 + ... + 3509711.

It is an arithmetic number, because the mean of its divisors is an integer number (98208881680).

Almost surely, 22130123010220 is an apocalyptic number.

2130123010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130123010220 is an abundant number, since it is smaller than the sum of its proper divisors (2583903310420).

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

2130123010220 is a wasteful number, since it uses less digits than its factorization.

2130123010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349254 (or 6349252 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2130123010220 its reverse (220103210312), we get a palindrome (2350226220532).

The spelling of 2130123010220 in words is "two trillion, one hundred thirty billion, one hundred twenty-three million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 883 1766 3532 4415 8830 16777 17660 33554 67108 83885 167770 335540 6348343 12696686 25393372 31741715 63483430 120618517 126966860 241237034 482474068 603092585 1206185170 2412370340 5605586869 11211173738 22422347476 28027934345 56055868690 106506150511 112111737380 213012301022 426024602044 532530752555 1065061505110 2130123010220