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30612054236 = 2297151522497
BaseRepresentation
bin11100100000100111…
…101110000011011100
32221000101222110221112
4130200213232003130
51000143141213421
622021334321152
72132411111351
oct344047560334
987011873845
1030612054236
1111a89785485
125b23ab91b8
132b6b12157a
1416a584c628
15be272845b
hex7209ee0dc

30612054236 has 24 divisors (see below), whose sum is σ = 54481911456. Its totient is φ = 15047884800.

The previous prime is 30612054223. The next prime is 30612054281. The reversal of 30612054236 is 63245021603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202661 + ... + 319836.

It is an arithmetic number, because the mean of its divisors is an integer number (2270079644).

Almost surely, 230612054236 is an apocalyptic number.

It is an amenable number.

30612054236 is a deficient number, since it is larger than the sum of its proper divisors (23869857220).

30612054236 is a wasteful number, since it uses less digits than its factorization.

30612054236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522749 (or 522747 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 30612054236 its reverse (63245021603), we get a palindrome (93857075839).

The spelling of 30612054236 in words is "thirty billion, six hundred twelve million, fifty-four thousand, two hundred thirty-six".

Divisors: 1 2 4 97 151 194 302 388 604 14647 29294 58588 522497 1044994 2089988 50682209 78897047 101364418 157794094 202728836 315588188 7653013559 15306027118 30612054236