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30520203245224 = 23711232154164543
BaseRepresentation
bin1101111000010000010011…
…10111110111011010101000
311000001200222102212200000021
412330020021313313122220
513000020334012321344
6144524442100050224
76300004042124260
oct674101167673250
9130050872780007
1030520203245224
1197a7600087730
12350b02a393974
1314050730b70a4
147772858807a0
1537dd79423b84
hex1bc209df76a8

30520203245224 has 64 divisors (see below), whose sum is σ = 74447926640640. Its totient is φ = 11373988781760.

The previous prime is 30520203245221. The next prime is 30520203245239. The reversal of 30520203245224 is 42254230202503.

It is a super-2 number, since 2×305202032452242 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30520203245224.

It is not an unprimeable number, because it can be changed into a prime (30520203245221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077068104 + ... + 1077096439.

It is an arithmetic number, because the mean of its divisors is an integer number (1163248853760).

Almost surely, 230520203245224 is an apocalyptic number.

It is an amenable number.

30520203245224 is an abundant number, since it is smaller than the sum of its proper divisors (43927723395416).

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

30520203245224 is a wasteful number, since it uses less digits than its factorization.

30520203245224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154164590 (or 2154164586 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 30520203245224 its reverse (42254230202503), we get a palindrome (72774433447727).

The spelling of 30520203245224 in words is "thirty trillion, five hundred twenty billion, two hundred three million, two hundred forty-five thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 11 14 22 23 28 44 46 56 77 88 92 154 161 184 253 308 322 506 616 644 1012 1288 1771 2024 3542 7084 14168 2154164543 4308329086 8616658172 15079151801 17233316344 23695809973 30158303602 47391619946 49545784489 60316607204 94783239892 99091568978 120633214408 165870669811 189566479784 198183137956 331741339622 346820491423 396366275912 545003629379 663482679244 693640982846 1090007258758 1326965358488 1387281965692 2180014517516 2774563931384 3815025405653 4360029035032 7630050811306 15260101622612 30520203245224