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30432063849 = 31119319716141
BaseRepresentation
bin11100010101111001…
…000111000101101001
32220112212022000112220
4130111321013011221
5444311102020344
621551424424253
72125064163135
oct342571070551
986485260486
1030432063849
11119a7119aa0
125a93778089
132b3ca51b95
1416899983c5
15bd1a22c19
hex715e47169

30432063849 has 64 divisors (see below), whose sum is σ = 48596459520. Its totient is φ = 16733952000.

The previous prime is 30432063719. The next prime is 30432063859. The reversal of 30432063849 is 94836023403.

It is not a de Polignac number, because 30432063849 - 225 = 30398509417 is a prime.

It is a super-2 number, since 2×304320638492 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30432063849.

It is not an unprimeable number, because it can be changed into a prime (30432063859) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1877319 + ... + 1893459.

It is an arithmetic number, because the mean of its divisors is an integer number (759319680).

Almost surely, 230432063849 is an apocalyptic number.

It is an amenable number.

30432063849 is a deficient number, since it is larger than the sum of its proper divisors (18164395671).

30432063849 is a wasteful number, since it uses less digits than its factorization.

30432063849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16302.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 30432063849 in words is "thirty billion, four hundred thirty-two million, sixty-three thousand, eight hundred forty-nine".

Divisors: 1 3 11 19 31 33 57 93 97 209 291 341 589 627 1023 1067 1767 1843 3007 3201 5529 6479 9021 16141 19437 20273 33077 48423 57133 60819 99231 171399 177551 306679 500371 532653 628463 920037 1501113 1565677 1885389 3373469 4697031 5504081 9507049 10120407 16512243 17222447 28521147 29747863 48535987 51667341 89243589 104577539 145607961 313732617 327226493 533895857 922183753 981679479 1601687571 2766551259 10144021283 30432063849