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1005210245105 = 51129691912049
BaseRepresentation
bin11101010000010110011…
…00110001011111110001
310120002121211102022002222
432220023030301133301
5112432132310320410
62045442012050425
7132424022051003
oct16501314613761
93502554368088
101005210245105
11358341a83190
12142996a63a15
1373a3885aa01
143691c3d6373
151b233d9c955
hexea0b3317f1

1005210245105 has 32 divisors (see below), whose sum is σ = 1363259376000. Its totient is φ = 704830694400.

The previous prime is 1005210245101. The next prime is 1005210245113. The reversal of 1005210245105 is 5015420125001.

It is not a de Polignac number, because 1005210245105 - 22 = 1005210245101 is a prime.

It is a super-2 number, since 2×10052102451052 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005210245101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646121 + ... + 1558169.

It is an arithmetic number, because the mean of its divisors is an integer number (42601855500).

Almost surely, 21005210245105 is an apocalyptic number.

It is an amenable number.

1005210245105 is a deficient number, since it is larger than the sum of its proper divisors (358049130895).

1005210245105 is a wasteful number, since it uses less digits than its factorization.

1005210245105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912785.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 1005210245105 in words is "one trillion, five billion, two hundred ten million, two hundred forty-five thousand, one hundred five".

Divisors: 1 5 11 29 55 145 319 691 1595 3455 7601 20039 38005 100195 220429 912049 1102145 4560245 10032539 26449421 50162695 132247105 290943631 630225859 1454718155 3151129295 6932484449 18276549911 34662422245 91382749555 201042049021 1005210245105