Search a number
-
+
30125149312 = 27439536111
BaseRepresentation
bin11100000011100110…
…010100110010000000
32212202110210010221211
4130003212110302000
5443144014234222
621501142255504
72114346354436
oct340346246200
985673703854
1030125149312
1111859952615
125a08a27594
132ac12a2a4b
14165ad04d56
15bb4aea277
hex703994c80

30125149312 has 32 divisors (see below), whose sum is σ = 60151766400. Its totient is φ = 15028235520.

The previous prime is 30125149283. The next prime is 30125149339. The reversal of 30125149312 is 21394152103.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211864 + ... + 324247.

It is an arithmetic number, because the mean of its divisors is an integer number (1879742700).

Almost surely, 230125149312 is an apocalyptic number.

30125149312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30125149312 is a deficient number, since it is larger than the sum of its proper divisors (30026617088).

30125149312 is an equidigital number, since it uses as much as digits as its factorization.

30125149312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536564 (or 536552 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 30125149312 in words is "thirty billion, one hundred twenty-five million, one hundred forty-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 439 878 1756 3512 7024 14048 28096 56192 536111 1072222 2144444 4288888 8577776 17155552 34311104 68622208 235352729 470705458 941410916 1882821832 3765643664 7531287328 15062574656 30125149312