Search a number
-
+
1230885601 = 11831348177
BaseRepresentation
bin100100101011101…
…1101001011100001
310011210010110121121
41021113131023201
510010101314401
6322050052241
742334232521
oct11127351341
93153113547
101230885601
11581891630
122a427a081
1316801959a
14b968d681
15730dbca1
hex495dd2e1

1230885601 has 8 divisors (see below), whose sum is σ = 1358963424. Its totient is φ = 1105504320.

The previous prime is 1230885589. The next prime is 1230885647. The reversal of 1230885601 is 1065880321.

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 1230885601 - 211 = 1230883553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230885701) 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, 673176 + ... + 675001.

It is an arithmetic number, because the mean of its divisors is an integer number (169870428).

Almost surely, 21230885601 is an apocalyptic number.

1230885601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1230885601 is a deficient number, since it is larger than the sum of its proper divisors (128077823).

1230885601 is a wasteful number, since it uses less digits than its factorization.

1230885601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348271.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1230885601 is about 35083.9792640459. The cubic root of 1230885601 is about 1071.6983541954.

The spelling of 1230885601 in words is "one billion, two hundred thirty million, eight hundred eighty-five thousand, six hundred one".

Divisors: 1 11 83 913 1348177 14829947 111898691 1230885601