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30121103421032 = 231319114627103669
BaseRepresentation
bin1101101100101000111011…
…01010110110111001101000
310221122112211111010222002012
412312110131222312321220
512422001004433433112
6144021235513455052
76226115010443441
oct666243552667150
9127575744128065
1030121103421032
119663319697788
123465808711488
1313a653c104470
14761c250822c8
153737bba8e022
hex1b651dab6e68

30121103421032 has 64 divisors (see below), whose sum is σ = 61144665523200. Its totient is φ = 13828183292160.

The previous prime is 30121103421007. The next prime is 30121103421109. The reversal of 30121103421032 is 23012430112103.

30121103421032 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 30121103420989 and 30121103421007.

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, 290498894 + ... + 290602562.

It is an arithmetic number, because the mean of its divisors is an integer number (955385398800).

Almost surely, 230121103421032 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 30121103421032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30572332761600).

30121103421032 is an abundant number, since it is smaller than the sum of its proper divisors (31023562102168).

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

30121103421032 is a wasteful number, since it uses less digits than its factorization.

30121103421032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118506 (or 118502 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30121103421032 its reverse (23012430112103), we get a palindrome (53133533533135).

The spelling of 30121103421032 in words is "thirty trillion, one hundred twenty-one billion, one hundred three million, four hundred twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 13 26 52 104 191 382 764 1528 2483 4966 9932 14627 19864 29254 58508 103669 117016 190151 207338 380302 414676 760604 829352 1347697 1521208 2695394 2793757 5390788 5587514 10781576 11175028 19800779 22350056 36318841 39601558 72637682 79203116 145275364 158406232 257410127 290550728 514820254 1029640508 1516366463 2059281016 3032732926 6065465852 12130931704 19712764019 39425528038 78851056076 157702112152 289625994433 579251988866 1158503977732 2317007955464 3765137927629 7530275855258 15060551710516 30121103421032