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30540545236 = 22611011239269
BaseRepresentation
bin11100011100010110…
…111011110011010100
32220211102102110001001
4130130112323303110
51000021334421421
622010301513044
72130552231325
oct343426736324
986742373031
1030540545236
1111a52383733
125b03b72784
132b59374c56
14169a15644c
15bdb300691
hex71c5bbcd4

30540545236 has 24 divisors (see below), whose sum is σ = 54860004360. Its totient is φ = 14871216000.

The previous prime is 30540545213. The next prime is 30540545263. The reversal of 30540545236 is 63254504503.

It can be written as a sum of positive squares in 4 ways, for example, as 590781636 + 29949763600 = 24306^2 + 173060^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30540545195 and 30540545204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594991 + ... + 644278.

It is an arithmetic number, because the mean of its divisors is an integer number (2285833515).

Almost surely, 230540545236 is an apocalyptic number.

It is an amenable number.

30540545236 is a deficient number, since it is larger than the sum of its proper divisors (24319459124).

30540545236 is a wasteful number, since it uses less digits than its factorization.

30540545236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239435 (or 1239433 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 30540545236 in words is "thirty billion, five hundred forty million, five hundred forty-five thousand, two hundred thirty-six".

Divisors: 1 2 4 61 101 122 202 244 404 6161 12322 24644 1239269 2478538 4957076 75595409 125166169 151190818 250332338 302381636 500664676 7635136309 15270272618 30540545236