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230021220031130 = 25112972106965527
BaseRepresentation
bin110100010011001111111101…
…000111000101101010011010
31010011102210222022120002101102
4310103033331013011222122
5220122131424311444010
62133114142323351402
766310325156215013
oct6423177507055232
91104383868502342
10230021220031130
11673234a7080910
122196b7a1222562
139b46ba5a91868
1440b312d31c00a
151b8d5a6c79ba5
hexd133fd1c5a9a

230021220031130 has 32 divisors (see below), whose sum is σ = 467253136621440. Its totient is φ = 80759801389120.

The previous prime is 230021220031111. The next prime is 230021220031151. The reversal of 230021220031130 is 31130022120032.

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, 36053479574 + ... + 36053485953.

It is an arithmetic number, because the mean of its divisors is an integer number (14601660519420).

Almost surely, 2230021220031130 is an apocalyptic number.

230021220031130 is an abundant number, since it is smaller than the sum of its proper divisors (237231916590310).

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

230021220031130 is a wasteful number, since it uses less digits than its factorization.

230021220031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72106965574.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 230021220031130 its reverse (31130022120032), we get a palindrome (261151242151162).

The spelling of 230021220031130 in words is "two hundred thirty trillion, twenty-one billion, two hundred twenty million, thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 72106965527 144213931054 360534827635 721069655270 793176620797 1586353241594 2091102000283 3965883103985 4182204000566 7931766207970 10455510001415 20911020002830 23002122003113 46004244006226 115010610015565 230021220031130