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1000101010111 = 71719442326851
BaseRepresentation
bin11101000110110101010…
…10100101101010111111
310112121102202111021022021
432203122222211222333
5112341201324310421
62043235015301011
7132153302216110
oct16433252455277
93477382437267
101000101010111
1135615aa47325
121419ab97a767
13734031a4038
1436595a1c207
151b03556a341
hexe8daaa5abf

1000101010111 has 16 divisors (see below), whose sum is σ = 1273901333760. Its totient is φ = 764340796800.

The previous prime is 1000101010109. The next prime is 1000101010127. The reversal of 1000101010111 is 1110101010001.

It is a happy number.

It is not a de Polignac number, because 1000101010111 - 21 = 1000101010109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000101010094 and 1000101010103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000101010171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221161165 + ... + 221165686.

It is an arithmetic number, because the mean of its divisors is an integer number (79618833360).

Almost surely, 21000101010111 is an apocalyptic number.

1000101010111 is a deficient number, since it is larger than the sum of its proper divisors (273800323649).

1000101010111 is a wasteful number, since it uses less digits than its factorization.

1000101010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442326894.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1000101010111 its reverse (1110101010001), we get a palindrome (2110202020112).

The spelling of 1000101010111 in words is "one trillion, one hundred one million, ten thousand, one hundred eleven".

Divisors: 1 7 17 19 119 133 323 2261 442326851 3096287957 7519556467 8404210169 52636895269 58829471183 142871572873 1000101010111