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1085144107 = 5918392273
BaseRepresentation
bin100000010101101…
…1111110000101011
32210121220000212111
41000223133300223
54210244102412
6255402223151
735614400305
oct10053376053
92717800774
101085144107
11507598913
122634b4ab7
13143a7bb08
14a4192975
15653ee2a7
hex40adfc2b

1085144107 has 4 divisors (see below), whose sum is σ = 1103536440. Its totient is φ = 1066751776.

The previous prime is 1085144063. The next prime is 1085144183. The reversal of 1085144107 is 7014415801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1085144107 - 211 = 1085142059 is a prime.

It is a super-3 number, since 3×10851441073 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086144107) 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, 9196078 + ... + 9196195.

It is an arithmetic number, because the mean of its divisors is an integer number (275884110).

Almost surely, 21085144107 is an apocalyptic number.

1085144107 is a deficient number, since it is larger than the sum of its proper divisors (18392333).

1085144107 is an equidigital number, since it uses as much as digits as its factorization.

1085144107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18392332.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1085144107 is about 32941.5255718371. The cubic root of 1085144107 is about 1027.6119328769.

Adding to 1085144107 its reverse (7014415801), we get a palindrome (8099559908).

The spelling of 1085144107 in words is "one billion, eighty-five million, one hundred forty-four thousand, one hundred seven".

Divisors: 1 59 18392273 1085144107