Search a number
-
+
30120322221012 = 22331472325174093
BaseRepresentation
bin1101101100100111011110…
…00110110100001111010100
310221122110211001011220010010
412312103233012310033110
512421442404442033022
6144021030210000220
76226056443400402
oct666235706641724
9127573731156103
1030120322221012
119662a58727631
12346562ab76070
1313a644630472a
14761b8d40c472
153737731cc50c
hex1b64ef1b43d4

30120322221012 has 96 divisors (see below), whose sum is σ = 74095631253504. Its totient is φ = 9508967280000.

The previous prime is 30120322221001. The next prime is 30120322221053. The reversal of 30120322221012 is 21012222302103.

It is a self number, because there is not a number n which added to its sum of digits gives 30120322221012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406483438 + ... + 406557530.

It is an arithmetic number, because the mean of its divisors is an integer number (771829492224).

Almost surely, 230120322221012 is an apocalyptic number.

It is an amenable number.

30120322221012 is an abundant number, since it is smaller than the sum of its proper divisors (43975309032492).

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

30120322221012 is a wasteful number, since it uses less digits than its factorization.

30120322221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97429 (or 97427 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30120322221012 its reverse (21012222302103), we get a palindrome (51132544523115).

The spelling of 30120322221012 in words is "thirty trillion, one hundred twenty billion, three hundred twenty-two million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 31 47 62 93 94 124 141 186 188 282 372 564 1457 2914 4371 5828 8742 17484 23251 46502 69753 74093 93004 139506 148186 222279 279012 296372 444558 720781 889116 1092797 1441562 2162343 2185594 2296883 2883124 3278391 3482371 4324686 4371188 4593766 6556782 6890649 6964742 8649372 9187532 10447113 13113564 13781298 13929484 20894226 27562596 33876707 41788452 67753414 101630121 107953501 135506828 203260242 215907002 323860503 406520484 431814004 647721006 1295442012 1722736343 3445472686 5168209029 6890945372 10336418058 20672836116 53404826633 80968608121 106809653266 160214479899 161937216242 213619306532 242905824363 320428959798 323874432484 485811648726 640857919596 971623297452 2510026851751 5020053703502 7530080555253 10040107407004 15060161110506 30120322221012