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228036161192 = 23722321099669
BaseRepresentation
bin1101010001100000000…
…0111010111010101000
3210210121020021020110212
43110120000322322220
512214004224124232
6252431450200252
722321643250200
oct3243000727250
9723536236425
10228036161192
1188789517054
1238240a23088
131867188b378
14b0737a5400
155de997eeb2
hex351803aea8

228036161192 has 72 divisors (see below), whose sum is σ = 519940471050. Its totient is φ = 93480577344.

The previous prime is 228036161191. The next prime is 228036161201. The reversal of 228036161192 is 291161630822.

228036161192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 228031080676 + 5080516 = 477526^2 + 2254^2 .

It is a super-2 number, since 2×2280361611922 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228036161191) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 342467 + ... + 757202.

Almost surely, 2228036161192 is an apocalyptic number.

It is an amenable number.

228036161192 is an abundant number, since it is smaller than the sum of its proper divisors (291904309858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228036161192 is a wasteful number, since it uses less digits than its factorization.

228036161192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099735 (or 1099701 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 228036161192 in words is "two hundred twenty-eight billion, thirty-six million, one hundred sixty-one thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 23 28 46 49 56 92 98 161 184 196 322 392 529 644 1058 1127 1288 2116 2254 3703 4232 4508 7406 9016 14812 25921 29624 51842 103684 207368 1099669 2199338 4398676 7697683 8797352 15395366 25292387 30790732 50584774 53883781 61581464 101169548 107767562 177046709 202339096 215535124 354093418 431070248 581724901 708186836 1163449802 1239326963 1416373672 2326899604 2478653926 4072074307 4653799208 4957307852 8144148614 9914615704 16288297228 28504520149 32576594456 57009040298 114018080596 228036161192