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30302311013212 = 22731433271248203
BaseRepresentation
bin1101110001111010011100…
…11110111101101101011100
310222021212120011012102101011
412320331032132331231130
512432433113104410322
6144240404533225004
76245161341532450
oct670751636755534
9128255504172334
1030302311013212
119723157650827
12349495a792164
1313ba659c9aaa4
1476a8d53c6660
153783752d2677
hex1b8f4e7bdb5c

30302311013212 has 96 divisors (see below), whose sum is σ = 64034312781824. Its totient is φ = 12271702564800.

The previous prime is 30302311013173. The next prime is 30302311013231. The reversal of 30302311013212 is 21231011320303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121962703 + ... + 122210905.

Almost surely, 230302311013212 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 30302311013212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32017156390912).

30302311013212 is an abundant number, since it is smaller than the sum of its proper divisors (33732001768612).

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

30302311013212 is a wasteful number, since it uses less digits than its factorization.

30302311013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251559 (or 251557 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30302311013212 its reverse (21231011320303), we get a palindrome (51533322333515).

The spelling of 30302311013212 in words is "thirty trillion, three hundred two billion, three hundred eleven million, thirteen thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 31 43 62 86 124 172 217 301 434 602 868 1204 1333 2666 3271 5332 6542 9331 13084 18662 22897 37324 45794 91588 101401 140653 202802 248203 281306 405604 496406 562612 709807 984571 992812 1419614 1737421 1969142 2839228 3474842 3938284 4360243 6949684 7694293 8720486 10672729 15388586 17440972 21345458 30521701 30777172 42690916 53860051 61043402 74709103 107720102 122086804 149418206 215440204 298836412 330854599 661709198 811872013 1323418396 1623744026 2315982193 3247488052 4631964386 5683104091 9263928772 11366208182 22732416364 25168032403 34910496559 50336064806 69820993118 100672129612 139641986236 176176226821 244373475913 352352453642 488746951826 704704907284 977493903652 1082225393329 2164450786658 4328901573316 7575577753303 15151155506606 30302311013212