Search a number
-
+
30530561759880 = 2335713172913074339
BaseRepresentation
bin1101111000100011100110…
…10010011101101010001000
311000002200201100020201210020
412330101303102131222020
513000203042302304010
6144533314011020440
76300521532055410
oct674216322355210
9130080640221706
1030530561759880
119800a36202046
12351103b43a720
13140603414c1c0
14777989489640
1537e2839ed470
hex1bc47349da88

30530561759880 has 1024 divisors, whose sum is σ = 123598089216000. Its totient is φ = 5847809458176.

The previous prime is 30530561759861. The next prime is 30530561759917. The reversal of 30530561759880 is 8895716503503.

It is a super-2 number, since 2×305305617598802 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 7036310751 + ... + 7036315089.

It is an arithmetic number, because the mean of its divisors is an integer number (120701259000).

Almost surely, 230530561759880 is an apocalyptic number.

30530561759880 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 30530561759880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61799044608000).

30530561759880 is an abundant number, since it is smaller than the sum of its proper divisors (93067527456120).

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

30530561759880 is a wasteful number, since it uses less digits than its factorization.

30530561759880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726 (or 5722 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 60.

The spelling of 30530561759880 in words is "thirty trillion, five hundred thirty billion, five hundred sixty-one million, seven hundred fifty-nine thousand, eight hundred eighty".