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21022301130 = 235909177081
BaseRepresentation
bin10011100101000001…
…101101101111001010
32000021002011112202120
4103211001231233022
5321023202114010
613354004512110
71342644416445
oct234501555712
960232145676
1021022301130
118a085a4a96
1240a83ab636
131ca042274c
141035d9a65c
158308a4e70
hex4e506dbca

21022301130 has 32 divisors (see below), whose sum is σ = 50459727168. Its totient is φ = 5605257600.

The previous prime is 21022301101. The next prime is 21022301161. The reversal of 21022301130 is 3110322012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 234190 + ... + 311270.

It is an arithmetic number, because the mean of its divisors is an integer number (1576866474).

Almost surely, 221022301130 is an apocalyptic number.

21022301130 is an abundant number, since it is smaller than the sum of its proper divisors (29437426038).

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

21022301130 is a wasteful number, since it uses less digits than its factorization.

21022301130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86182.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21022301130 its reverse (3110322012), we get a palindrome (24132623142).

The spelling of 21022301130 in words is "twenty-one billion, twenty-two million, three hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 9091 18182 27273 45455 54546 77081 90910 136365 154162 231243 272730 385405 462486 770810 1156215 2312430 700743371 1401486742 2102230113 3503716855 4204460226 7007433710 10511150565 21022301130