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30212401032 = 23331166119237
BaseRepresentation
bin11100001000110011…
…001010011110001000
32212222112221222211000
4130020303022132020
5443333333313112
621513540335000
72116456112562
oct341063123610
985875858730
1030212401032
11118a4127080
125a320a4460
132b063a1a98
141668738332
15bbc5d27dc
hex708cca788

30212401032 has 128 divisors (see below), whose sum is σ = 91696003200. Its totient is φ = 9140947200.

The previous prime is 30212401013. The next prime is 30212401039. The reversal of 30212401032 is 23010421203.

It is a super-2 number, since 2×302124010322 (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 30212400996 and 30212401014.

It is not an unprimeable number, because it can be changed into a prime (30212401039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1560918 + ... + 1580154.

It is an arithmetic number, because the mean of its divisors is an integer number (716375025).

Almost surely, 230212401032 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 30212401032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45848001600).

30212401032 is an abundant number, since it is smaller than the sum of its proper divisors (61483602168).

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

30212401032 is a wasteful number, since it uses less digits than its factorization.

30212401032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19924 (or 19914 counting only the distinct ones).

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

Adding to 30212401032 its reverse (23010421203), we get a palindrome (53222822235).

The spelling of 30212401032 in words is "thirty billion, two hundred twelve million, four hundred one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 88 99 108 132 198 216 264 297 396 594 661 792 1188 1322 1983 2376 2644 3966 5288 5949 7271 7932 11898 14542 15864 17847 19237 21813 23796 29084 35694 38474 43626 47592 57711 58168 65439 71388 76948 87252 115422 130878 142776 153896 173133 174504 196317 211607 230844 261756 346266 392634 423214 461688 519399 523512 634821 692532 785268 846428 1038798 1269642 1385064 1570536 1692856 1904463 2077596 2539284 3808926 4155192 5078568 5713389 7617852 11426778 12715657 15235704 22853556 25431314 38146971 45707112 50862628 76293942 101725256 114440913 139872227 152587884 228881826 279744454 305175768 343322739 419616681 457763652 559488908 686645478 839233362 915527304 1118977816 1258850043 1373290956 1678466724 2517700086 2746581912 3356933448 3776550129 5035400172 7553100258 10070800344 15106200516 30212401032