Search a number
-
+
1231030014 = 23205171669
BaseRepresentation
bin100100101100000…
…0000011011111110
310011210101210201020
41021120000123332
510010120430024
6322053125010
742335403534
oct11130003376
93153353636
101231030014
11581980085
122a4329766
1316806a236
14b96ca154
1573119979
hex496006fe

1231030014 has 8 divisors (see below), whose sum is σ = 2462060040. Its totient is φ = 410343336.

The previous prime is 1231030013. The next prime is 1231030037. The reversal of 1231030014 is 4100301321.

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

1231030014 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1231029975 and 1231030002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231030013) 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, 102585829 + ... + 102585840.

It is an arithmetic number, because the mean of its divisors is an integer number (307757505).

Almost surely, 21231030014 is an apocalyptic number.

1231030014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231030014 is a wasteful number, since it uses less digits than its factorization.

1231030014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205171674.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1231030014 is about 35086.0373083083. The cubic root of 1231030014 is about 1071.7402647033.

Adding to 1231030014 its reverse (4100301321), we get a palindrome (5331331335).

It can be divided in two parts, 12310 and 30014, that added together give a palindrome (42324).

The spelling of 1231030014 in words is "one billion, two hundred thirty-one million, thirty thousand, fourteen".

Divisors: 1 2 3 6 205171669 410343338 615515007 1231030014