Search a number
-
+
30302103313140 = 223537139541181513
BaseRepresentation
bin1101110001111010000100…
…00110101001101011110100
310222021212000200101011102220
412320331002012221223310
512432432201422010030
6144240332153402340
76245153240235051
oct670750206515364
9128255020334386
1030302103313140
11972306038967a
1234949011093b0
1313ba625c48a39
1476a8b599c028
15378361e56a10
hex1b8f421a9af4

30302103313140 has 192 divisors, whose sum is σ = 87928634330880. Its totient is φ = 7791133962240.

The previous prime is 30302103313087. The next prime is 30302103313151. The reversal of 30302103313140 is 4131330120303.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30302103313140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166851024 + ... + 167032536.

It is an arithmetic number, because the mean of its divisors is an integer number (457961637140).

Almost surely, 230302103313140 is an apocalyptic number.

30302103313140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30302103313140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43964317165440).

30302103313140 is an abundant number, since it is smaller than the sum of its proper divisors (57626531017740).

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

30302103313140 is a wasteful number, since it uses less digits than its factorization.

30302103313140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182242 (or 182240 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 30302103313140 its reverse (4131330120303), we get a palindrome (34433433433443).

The spelling of 30302103313140 in words is "thirty trillion, three hundred two billion, one hundred three million, three hundred thirteen thousand, one hundred forty".