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1150212101 = 19159737907
BaseRepresentation
bin100010010001110…
…1101100000000101
32222011022211101012
41010203231200011
54323423241401
6310045012005
740334433023
oct10443554005
92864284335
101150212101
115402a0415
12281254005
131543b179c
14aca8d713
156aea38bb
hex448ed805

1150212101 has 8 divisors (see below), whose sum is σ = 1211539680. Its totient is φ = 1088963568.

The previous prime is 1150212071. The next prime is 1150212109. The reversal of 1150212101 is 1012120511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1150212101 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 (1150212109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11390 + ... + 49296.

It is an arithmetic number, because the mean of its divisors is an integer number (151442460).

Almost surely, 21150212101 is an apocalyptic number.

It is an amenable number.

1150212101 is a deficient number, since it is larger than the sum of its proper divisors (61327579).

1150212101 is a wasteful number, since it uses less digits than its factorization.

1150212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39523.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1150212101 is about 33914.7770300794. Note that the first 3 decimals coincide. The cubic root of 1150212101 is about 1047.7539596475.

Adding to 1150212101 its reverse (1012120511), we get a palindrome (2162332612).

The spelling of 1150212101 in words is "one billion, one hundred fifty million, two hundred twelve thousand, one hundred one".

Divisors: 1 19 1597 30343 37907 720233 60537479 1150212101