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30440331234 = 2324767537037
BaseRepresentation
bin11100010110011000…
…101001011111100010
32220120102212001021100
4130112120221133202
5444320211044414
621552321535230
72125224355245
oct342630513742
986512761240
1030440331234
1111a00856445
125a964a4516
132b41687c21
14168ab0b25c
15bd2607609
hex7166297e2

30440331234 has 48 divisors (see below), whose sum is σ = 68362789248. Its totient is φ = 9782647776.

The previous prime is 30440331227. The next prime is 30440331241. The reversal of 30440331234 is 43213304403.

30440331234 is a `hidden beast` number, since 304 + 4 + 0 + 331 + 23 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (30440331227) and next prime (30440331241).

It is a super-2 number, since 2×304403312342 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30440331198 and 30440331207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211837 + ... + 325200.

It is an arithmetic number, because the mean of its divisors is an integer number (1424224776).

Almost surely, 230440331234 is an apocalyptic number.

30440331234 is an abundant number, since it is smaller than the sum of its proper divisors (37922458014).

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

30440331234 is a wasteful number, since it uses less digits than its factorization.

30440331234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537159 (or 537156 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30440331234 its reverse (43213304403), we get a palindrome (73653635637).

The spelling of 30440331234 in words is "thirty billion, four hundred forty million, three hundred thirty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 47 67 94 134 141 201 282 402 423 603 846 1206 3149 6298 9447 18894 28341 56682 537037 1074074 1611111 3222222 4833333 9666666 25240739 35981479 50481478 71962958 75722217 107944437 151444434 215888874 227166651 323833311 454333302 647666622 1691129513 3382259026 5073388539 10146777078 15220165617 30440331234