Search a number
-
+
30253215503120 = 2453112198877219
BaseRepresentation
bin1101110000011111000000…
…01010011101001100010000
310222010011211121100002122112
412320033200022131030100
512431132041132044440
6144202045122124452
76241502611555511
oct670174012351420
9128104747302575
1030253215503120
1197043534a73a5
1234873387b0728
1313b5b347372bc
14768398c60a08
15376e50054965
hex1b83e029d310

30253215503120 has 40 divisors (see below), whose sum is σ = 72607717213440. Its totient is φ = 11710922129280.

The previous prime is 30253215503113. The next prime is 30253215503123. The reversal of 30253215503120 is 2130551235203.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (30253215503123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099436130 + ... + 6099441089.

It is an arithmetic number, because the mean of its divisors is an integer number (1815192930336).

Almost surely, 230253215503120 is an apocalyptic number.

It is an amenable number.

30253215503120 is an abundant number, since it is smaller than the sum of its proper divisors (42354501710320).

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

30253215503120 is a wasteful number, since it uses less digits than its factorization.

30253215503120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12198877263 (or 12198877257 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 30253215503120 its reverse (2130551235203), we get a palindrome (32383766738323).

The spelling of 30253215503120 in words is "thirty trillion, two hundred fifty-three billion, two hundred fifteen million, five hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 12198877219 24397754438 48795508876 60994386095 97591017752 121988772190 195182035504 243977544380 378165193789 487955088760 756330387578 975910177520 1512660775156 1890825968945 3025321550312 3781651937890 6050643100624 7563303875780 15126607751560 30253215503120