Search a number
-
+
30327398811 = 3423179199457
BaseRepresentation
bin11100001111101001…
…110110000110011011
32220021120100111010000
4130033221312012123
5444102303230221
621533205224043
72122353431223
oct341751660633
986246314100
1030327398811
1111953031666
125a64702023
132b24166bc8
141679b11083
15bc774ae26
hex70fa7619b

30327398811 has 80 divisors (see below), whose sum is σ = 47881152000. Its totient is φ = 19092661632.

The previous prime is 30327398809. The next prime is 30327398819. The reversal of 30327398811 is 11889372303.

It is a happy number.

It is not a de Polignac number, because 30327398811 - 21 = 30327398809 is a prime.

It is a super-2 number, since 2×303273988112 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30327398819) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 66361695 + ... + 66362151.

It is an arithmetic number, because the mean of its divisors is an integer number (598514400).

Almost surely, 230327398811 is an apocalyptic number.

30327398811 is a deficient number, since it is larger than the sum of its proper divisors (17553753189).

30327398811 is a wasteful number, since it uses less digits than its factorization.

30327398811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 30327398811 in words is "thirty billion, three hundred twenty-seven million, three hundred ninety-eight thousand, eight hundred eleven".

Divisors: 1 3 9 23 27 69 81 179 199 207 457 537 597 621 1371 1611 1791 1863 4113 4117 4577 4833 5373 10511 12339 12351 13731 14499 16119 31533 35621 37017 37053 41193 81803 90943 94599 106863 111159 123579 245409 272829 283797 320589 333477 370737 736227 818487 819283 851391 961767 1881469 2091689 2208681 2455461 2457849 2885301 5644407 6275067 6626043 7366383 7373547 16278797 16933221 18825201 22120641 48836391 50799663 56475603 66361923 146509173 152398989 169426809 374412331 439527519 1123236993 1318582557 3369710979 10109132937 30327398811