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1201106305 = 57129726459
BaseRepresentation
bin100011110010111…
…0110110110000001
310002201002112002201
41013211312312001
54424440400210
6315103513201
741523143440
oct10745666601
93081075081
101201106305
11566aa1a43
122962b8801
13161ac0bb9
14b573ad57
15706a853a
hex47976d81

1201106305 has 16 divisors (see below), whose sum is σ = 1648563840. Its totient is φ = 822949632.

The previous prime is 1201106297. The next prime is 1201106323. The reversal of 1201106305 is 5036011021.

It is a cyclic number.

It is not a de Polignac number, because 1201106305 - 23 = 1201106297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32166 + ... + 58624.

It is an arithmetic number, because the mean of its divisors is an integer number (103035240).

Almost surely, 21201106305 is an apocalyptic number.

It is an amenable number.

1201106305 is a deficient number, since it is larger than the sum of its proper divisors (447457535).

1201106305 is a wasteful number, since it uses less digits than its factorization.

1201106305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27768.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1201106305 is about 34656.9806099724. The cubic root of 1201106305 is about 1062.9850312370.

Adding to 1201106305 its reverse (5036011021), we get a palindrome (6237117326).

The spelling of 1201106305 in words is "one billion, two hundred one million, one hundred six thousand, three hundred five".

Divisors: 1 5 7 35 1297 6485 9079 26459 45395 132295 185213 926065 34317323 171586615 240221261 1201106305