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1130000245 = 51121867769
BaseRepresentation
bin100001101011010…
…0110111101110101
32220202021221220221
41003112212331311
54303240001440
6304043454341
740000562233
oct10326467565
92822257827
101130000245
1152a945a00
122765273b1
13150155aca
14aa10b953
156930ed4a
hex435a6f75

1130000245 has 12 divisors (see below), whose sum is σ = 1490480460. Its totient is φ = 821817920.

The previous prime is 1130000237. The next prime is 1130000257. The reversal of 1130000245 is 5420000311.

It can be written as a sum of positive squares in 2 ways, for example, as 834400996 + 295599249 = 28886^2 + 17193^2 .

It is not a de Polignac number, because 1130000245 - 23 = 1130000237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 933280 + ... + 934489.

It is an arithmetic number, because the mean of its divisors is an integer number (124206705).

Almost surely, 21130000245 is an apocalyptic number.

It is an amenable number.

1130000245 is a deficient number, since it is larger than the sum of its proper divisors (360480215).

1130000245 is a wasteful number, since it uses less digits than its factorization.

1130000245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867796 (or 1867785 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1130000245 is about 33615.4762720982. The cubic root of 1130000245 is about 1041.5805125830.

Adding to 1130000245 its reverse (5420000311), we get a palindrome (6550000556).

The spelling of 1130000245 in words is "one billion, one hundred thirty million, two hundred forty-five", and thus it is an aban number.

Divisors: 1 5 11 55 121 605 1867769 9338845 20545459 102727295 226000049 1130000245