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30102322023020 = 225134711092221249
BaseRepresentation
bin1101101100000101111100…
…01101100000101001101100
310221120202100120122002111102
412312002332031200221230
512421144023414214040
6144004452115142232
76224551413262142
oct666027615405154
9127522316562442
1030102322023020
11965636101a445
1234620468a4978
1313a4838034cc0
14760d6296d592
1537306ccd5515
hex1b60be360a6c

30102322023020 has 96 divisors (see below), whose sum is σ = 69588741600000. Its totient is φ = 10868406534144.

The previous prime is 30102322022999. The next prime is 30102322023029. The reversal of 30102322023020 is 2032022320103.

It is a super-2 number, since 2×301023220230202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30102322022983 and 30102322023001.

It is not an unprimeable number, because it can be changed into a prime (30102322023029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12441356 + ... + 14662604.

It is an arithmetic number, because the mean of its divisors is an integer number (724882725000).

Almost surely, 230102322023020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30102322023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34794370800000).

30102322023020 is an abundant number, since it is smaller than the sum of its proper divisors (39486419576980).

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

30102322023020 is a wasteful number, since it uses less digits than its factorization.

30102322023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222427 (or 2222425 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30102322023020 its reverse (2032022320103), we get a palindrome (32134344343123).

The spelling of 30102322023020 in words is "thirty trillion, one hundred two billion, three hundred twenty-two million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 47 52 65 94 130 188 235 260 470 611 940 1109 1222 2218 2444 3055 4436 5545 6110 11090 12220 14417 22180 28834 52123 57668 72085 104246 144170 208492 260615 288340 521230 677599 1042460 1355198 2221249 2710396 3387995 4442498 6775990 8884996 11106245 13551980 22212490 28876237 44424980 57752474 104398703 115504948 144381185 208797406 288762370 417594812 521993515 577524740 1043987030 1357183139 2087974060 2463365141 2714366278 4926730282 5428732556 6785915695 9853460564 12316825705 13571831390 24633651410 27143662780 32023746833 49267302820 64047493666 115778161627 128094987332 160118734165 231556323254 320237468330 463112646508 578890808135 640474936660 1157781616270 1505116101151 2315563232540 3010232202302 6020464404604 7525580505755 15051161011510 30102322023020