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30302002212012 = 223223157233099497
BaseRepresentation
bin1101110001111001111000…
…00100111110110010101100
310222021211202122010200202200
412320330330010332302230
512432432000031241022
6144240314142421500
76245150602005426
oct670747404766254
9128254678120680
1030302002212012
119723009305923
123494893291890
1313ba60b00ac9b
1476a8a63a1816
15378358135bac
hex1b8f3c13ecac

30302002212012 has 72 divisors (see below), whose sum is σ = 80436109973856. Its totient is φ = 9599969643264.

The previous prime is 30302002211983. The next prime is 30302002212019. The reversal of 30302002212012 is 21021220020303.

It is a super-2 number, since 2×303020022120122 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30302002212019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116419753 + ... + 116679744.

Almost surely, 230302002212012 is an apocalyptic number.

It is an amenable number.

30302002212012 is an abundant number, since it is smaller than the sum of its proper divisors (50134107761844).

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

30302002212012 is a wasteful number, since it uses less digits than its factorization.

30302002212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233099687 (or 233099682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30302002212012 its reverse (21021220020303), we get a palindrome (51323222232315).

The spelling of 30302002212012 in words is "thirty trillion, three hundred two billion, two million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 157 207 276 314 414 471 628 828 942 1413 1884 2826 3611 5652 7222 10833 14444 21666 32499 43332 64998 129996 233099497 466198994 699298491 932397988 1398596982 2097895473 2797193964 4195790946 5361288431 8391581892 10722576862 16083865293 21445153724 32167730586 36596621029 48251595879 64335461172 73193242058 96503191758 109789863087 146386484116 193006383516 219579726174 329369589261 439159452348 658739178522 841722283667 1317478357044 1683444567334 2525166851001 3366889134668 5050333702002 7575500553003 10100667404004 15151001106006 30302002212012