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30015344436 = 22371132484139
BaseRepresentation
bin11011111101000011…
…011100111100110100
32212110211011110222120
4123331003130330310
5442432412010221
621442220555540
72111544134550
oct337503347464
985424143876
1030015344436
1111802974590
1259980b2bb0
132aa460844c
14164a4c0860
15baa15a5c6
hex6fd0dcf34

30015344436 has 48 divisors (see below), whose sum is σ = 87317368320. Its totient is φ = 7796193120.

The previous prime is 30015344407. The next prime is 30015344441. The reversal of 30015344436 is 63444351003.

It is a super-2 number, since 2×300153444362 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 30015344397 and 30015344406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16241146 + ... + 16242993.

It is an arithmetic number, because the mean of its divisors is an integer number (1819111840).

Almost surely, 230015344436 is an apocalyptic number.

It is an amenable number.

30015344436 is an abundant number, since it is smaller than the sum of its proper divisors (57302023884).

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

30015344436 is a wasteful number, since it uses less digits than its factorization.

30015344436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32484164 (or 32484162 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 30015344436 its reverse (63444351003), we get a palindrome (93459695439).

The spelling of 30015344436 in words is "thirty billion, fifteen million, three hundred forty-four thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 32484139 64968278 97452417 129936556 194904834 227388973 357325529 389809668 454777946 682166919 714651058 909555892 1071976587 1364333838 1429302116 2143953174 2501278703 2728667676 4287906348 5002557406 7503836109 10005114812 15007672218 30015344436