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2011101101010 = 232580927621221
BaseRepresentation
bin11101010000111110111…
…101110111101111010010
321010021000002112012201100
4131100332331313233102
5230422213340213020
64135515340045230
7265203650210031
oct35207675675722
97107002465640
102011101101010
117059a3162331
12285921833816
131178523c96b1
146d4a2d5a718
15374a788ca90
hex1d43ef77bd2

2011101101010 has 48 divisors (see below), whose sum is σ = 5235326417880. Its totient is φ = 535630698240.

The previous prime is 2011101100999. The next prime is 2011101101017. The reversal of 2011101101010 is 101011011102.

It can be written as a sum of positive squares in 4 ways, for example, as 1782072813249 + 229028287761 = 1334943^2 + 478569^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2011101100983 and 2011101101001.

It is not an unprimeable number, because it can be changed into a prime (2011101101017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13737801 + ... + 13883420.

Almost surely, 22011101101010 is an apocalyptic number.

2011101101010 is an abundant number, since it is smaller than the sum of its proper divisors (3224225316870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011101101010 is a wasteful number, since it uses less digits than its factorization.

2011101101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27622043 (or 27622040 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 2011101101010 its reverse (101011011102), we get a palindrome (2112112112112).

The spelling of 2011101101010 in words is "two trillion, eleven billion, one hundred one million, one hundred one thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 809 1618 2427 4045 4854 7281 8090 12135 14562 24270 36405 72810 27621221 55242442 82863663 138106105 165727326 248590989 276212210 414318315 497181978 828636630 1242954945 2485909890 22345567789 44691135578 67036703367 111727838945 134073406734 201110110101 223455677890 335183516835 402220220202 670367033670 1005550550505 2011101101010