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30101331023220 = 2235501688850387
BaseRepresentation
bin1101101100000100000110…
…01001001001010101110100
310221120122210111220002100010
412312002003021021111310
512421140011220220340
6144004205514420220
76224515021024662
oct666020311112564
9127518714802303
1030101331023220
1196559a2693646
123461a0aa31670
1313a470a9295a2
14760cab0c5c32
15373010cd0b80
hex1b6083249574

30101331023220 has 24 divisors (see below), whose sum is σ = 84283726865184. Its totient is φ = 8027021606176.

The previous prime is 30101331023207. The next prime is 30101331023221. The reversal of 30101331023220 is 2232013310103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101331023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250844425134 + ... + 250844425253.

It is an arithmetic number, because the mean of its divisors is an integer number (3511821952716).

Almost surely, 230101331023220 is an apocalyptic number.

30101331023220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30101331023220 is an abundant number, since it is smaller than the sum of its proper divisors (54182395841964).

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

30101331023220 is a wasteful number, since it uses less digits than its factorization.

30101331023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501688850399 (or 501688850397 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30101331023220 its reverse (2232013310103), we get a palindrome (32333344333323).

The spelling of 30101331023220 in words is "thirty trillion, one hundred one billion, three hundred thirty-one million, twenty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 501688850387 1003377700774 1505066551161 2006755401548 2508444251935 3010133102322 5016888503870 6020266204644 7525332755805 10033777007740 15050665511610 30101331023220