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11145444101 = 118988312893
BaseRepresentation
bin10100110000101000…
…11111101100000101
31001202202010020000222
422120110133230011
5140311213202401
65041541314125
7543123466061
oct123024375405
931682106028
1011145444101
1147aa349130
1221b0705945
1310880bc94c
1477a330aa1
1545371dc1b
hex29851fb05

11145444101 has 16 divisors (see below), whose sum is σ = 12310159680. Its totient is φ = 10006254720.

The previous prime is 11145444083. The next prime is 11145444131. The reversal of 11145444101 is 10144454111.

It is a happy number.

It is not a de Polignac number, because 11145444101 - 222 = 11141249797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145444131) 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, 858011 + ... + 870903.

It is an arithmetic number, because the mean of its divisors is an integer number (769384980).

Almost surely, 211145444101 is an apocalyptic number.

11145444101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11145444101 is a deficient number, since it is larger than the sum of its proper divisors (1164715579).

11145444101 is a wasteful number, since it uses less digits than its factorization.

11145444101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13876.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 11145444101 its reverse (10144454111), we get a palindrome (21289898212).

The spelling of 11145444101 in words is "eleven billion, one hundred forty-five million, four hundred forty-four thousand, one hundred one".

Divisors: 1 11 89 883 979 9713 12893 78587 141823 864457 1147477 11384519 12622247 125229709 1013222191 11145444101