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1100101028 = 221321155789
BaseRepresentation
bin100000110010010…
…0011010110100100
32211200000220220112
41001210203112210
54223111213103
6301054552152
736155463425
oct10144432644
92750026815
101100101028
11514a84204
12268508658
13146bb7970
14a616764c
15668a5cd8
hex419235a4

1100101028 has 12 divisors (see below), whose sum is σ = 2073267420. Its totient is φ = 507738912.

The previous prime is 1100101027. The next prime is 1100101043. The reversal of 1100101028 is 8201010011.

It can be written as a sum of positive squares in 2 ways, for example, as 239382784 + 860718244 = 15472^2 + 29338^2 .

It is not an unprimeable number, because it can be changed into a prime (1100101027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10577843 + ... + 10577946.

It is an arithmetic number, because the mean of its divisors is an integer number (172772285).

Almost surely, 21100101028 is an apocalyptic number.

It is an amenable number.

1100101028 is a deficient number, since it is larger than the sum of its proper divisors (973166392).

1100101028 is a wasteful number, since it uses less digits than its factorization.

1100101028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21155806 (or 21155804 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1100101028 is about 33167.7709229909. The cubic root of 1100101028 is about 1032.3117172754.

Adding to 1100101028 its reverse (8201010011), we get a palindrome (9301111039).

The spelling of 1100101028 in words is "one billion, one hundred million, one hundred one thousand, twenty-eight".

Divisors: 1 2 4 13 26 52 21155789 42311578 84623156 275025257 550050514 1100101028