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30121330310 = 2513192283649
BaseRepresentation
bin11100000011010111…
…110000011010000110
32212202012121010021022
4130003113300122012
5443142030032220
621500524351142
72114302040351
oct340327603206
985665533238
1030121330310
1111857784315
125a076a54b2
132ac0566696
14165a5cd298
15bb45e3925
hex7035f0686

30121330310 has 16 divisors (see below), whose sum is σ = 54259524000. Its totient is φ = 12039392256.

The previous prime is 30121330297. The next prime is 30121330321. The reversal of 30121330310 is 1303312103.

It is a super-2 number, since 2×301213303102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128635 + ... + 1155014.

It is an arithmetic number, because the mean of its divisors is an integer number (3391220250).

Almost surely, 230121330310 is an apocalyptic number.

30121330310 is a deficient number, since it is larger than the sum of its proper divisors (24138193690).

30121330310 is a wasteful number, since it uses less digits than its factorization.

30121330310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284975.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30121330310 its reverse (1303312103), we get a palindrome (31424642413).

The spelling of 30121330310 in words is "thirty billion, one hundred twenty-one million, three hundred thirty thousand, three hundred ten".

Divisors: 1 2 5 10 1319 2638 6595 13190 2283649 4567298 11418245 22836490 3012133031 6024266062 15060665155 30121330310