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228701063530 = 25294211873217
BaseRepresentation
bin1101010011111110100…
…1010100100101101010
3210212022120101210000101
43110333221110211222
512221334433013110
6253021441300014
722344265652032
oct3247751244552
9725276353011
10228701063530
1188a9a874015
12383a763460a
131874955c3c4
14b0d7c048c2
155e3801d13a
hex353fa5496a

228701063530 has 32 divisors (see below), whose sum is σ = 426868917840. Its totient is φ = 88116080640.

The previous prime is 228701063527. The next prime is 228701063537. The reversal of 228701063530 is 35360107822.

It is a Cunningham number, because it is equal to 4782272+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 228701063529 = 1^2 + 478227^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228701063530.

It is not an unprimeable number, because it can be changed into a prime (228701063537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814519 + ... + 1058698.

Almost surely, 2228701063530 is an apocalyptic number.

228701063530 is a deficient number, since it is larger than the sum of its proper divisors (198167854310).

228701063530 is a wasteful number, since it uses less digits than its factorization.

228701063530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873674.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 228701063530 in words is "two hundred twenty-eight billion, seven hundred one million, sixty-three thousand, five hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 421 842 2105 4210 12209 24418 61045 122090 1873217 3746434 9366085 18732170 54323293 108646586 271616465 543232930 788624357 1577248714 3943121785 7886243570 22870106353 45740212706 114350531765 228701063530