Search a number
-
+
30647345738 = 21031631795099
BaseRepresentation
bin11100100010101110…
…010110001001001010
32221002212101110210012
4130202232112021022
51000231210030423
622025034551522
72133320066132
oct344256261112
987085343705
1030647345738
1111aa769a509
125b338985a2
132b75529c09
1416aa3d7ac2
15be589a078
hex722b9624a

30647345738 has 32 divisors (see below), whose sum is σ = 46972224000. Its totient is φ = 14994604656.

The previous prime is 30647345719. The next prime is 30647345749. The reversal of 30647345738 is 83754374603.

It is a super-3 number, since 3×306473457383 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6007913 + ... + 6013011.

It is an arithmetic number, because the mean of its divisors is an integer number (1467882000).

Almost surely, 230647345738 is an apocalyptic number.

30647345738 is a deficient number, since it is larger than the sum of its proper divisors (16324878262).

30647345738 is a wasteful number, since it uses less digits than its factorization.

30647345738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546.

The product of its (nonzero) digits is 5080320, while the sum is 50.

The spelling of 30647345738 in words is "thirty billion, six hundred forty-seven million, three hundred forty-five thousand, seven hundred thirty-eight".

Divisors: 1 2 103 163 179 206 326 358 5099 10198 16789 18437 29177 33578 36874 58354 525197 831137 912721 1050394 1662274 1825442 3005231 6010462 85607111 94010263 148773523 171214222 188020526 297547046 15323672869 30647345738