Search a number
-
+
1020130199 = 11101918209
BaseRepresentation
bin111100110011011…
…111001110010111
32122002112222112222
4330303133032113
54042123131244
6245120532555
734164651344
oct7463371627
92562488488
101020130199
11483922a10
1224578115b
1313346794a
14996ab7cb
155e85abee
hex3ccdf397

1020130199 has 8 divisors (see below), whose sum is σ = 1123889040. Its totient is φ = 918208000.

The previous prime is 1020130183. The next prime is 1020130207. The reversal of 1020130199 is 9910310201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020130199 - 24 = 1020130183 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 (1020130099) 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, 457994 + ... + 460215.

It is an arithmetic number, because the mean of its divisors is an integer number (140486130).

Almost surely, 21020130199 is an apocalyptic number.

1020130199 is a deficient number, since it is larger than the sum of its proper divisors (103758841).

1020130199 is a wasteful number, since it uses less digits than its factorization.

1020130199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918321.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1020130199 is about 31939.4771247120. The cubic root of 1020130199 is about 1006.6655382183.

The spelling of 1020130199 in words is "one billion, twenty million, one hundred thirty thousand, one hundred ninety-nine".

Divisors: 1 11 101 1111 918209 10100299 92739109 1020130199