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30213244033 = 7217279113239
BaseRepresentation
bin11100001000110110…
…011000010010000001
32212222121112211012021
4130020312120102001
5443334042302113
621514010401441
72116466223400
oct341066302201
985877484167
1030213244033
11118a4652475
125a32430281
132b066086bb
1416688b7637
15bbc6ec48d
hex708d98481

30213244033 has 72 divisors (see below), whose sum is σ = 38301811200. Its totient is φ = 23752415232.

The previous prime is 30213244027. The next prime is 30213244051. The reversal of 30213244033 is 33044231203.

It is a de Polignac number, because none of the positive numbers 2k-30213244033 is a prime.

It is a super-2 number, since 2×302132440332 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30213243989 and 30213244007.

It is not an unprimeable number, because it can be changed into a prime (30213244433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 126415128 + ... + 126415366.

It is an arithmetic number, because the mean of its divisors is an integer number (531969600).

Almost surely, 230213244033 is an apocalyptic number.

It is an amenable number.

30213244033 is a deficient number, since it is larger than the sum of its proper divisors (8088567167).

30213244033 is a wasteful number, since it uses less digits than its factorization.

30213244033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 30213244033 its reverse (33044231203), we get a palindrome (63257475236).

The spelling of 30213244033 in words is "thirty billion, two hundred thirteen million, two hundred forty-four thousand, thirty-three".

Divisors: 1 7 17 49 79 113 119 239 289 553 791 833 1343 1673 1921 2023 3871 4063 5537 8927 9401 11711 13447 14161 18881 22831 27007 28441 32657 62489 65807 69071 94129 132167 151759 159817 189049 199087 228599 320977 437423 459119 483497 925169 1062313 1118719 1323343 1600193 2133553 2246839 2579903 3213833 3384479 5456609 7436191 7805023 14934871 15727873 18059321 22496831 36270401 38196263 54635161 104544097 126415247 253892807 267373841 382446127 616596817 1777249649 4316177719 30213244033