Search a number
-
+
1230212119 = 1373896003
BaseRepresentation
bin100100101010011…
…1000110000010111
310011201212020202211
41021110320300113
510004413241434
6322023414251
742325426153
oct11124706027
93151766684
101230212119
11581471634
122a3bb4387
13167b41b86
14b9556063
1573007464
hex49538c17

1230212119 has 4 divisors (see below), whose sum is σ = 1231109496. Its totient is φ = 1229314744.

The previous prime is 1230212107. The next prime is 1230212131. The reversal of 1230212119 is 9112120321.

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

It is an interprime number because it is at equal distance from previous prime (1230212107) and next prime (1230212131).

It is a cyclic number.

It is not a de Polignac number, because 1230212119 - 29 = 1230211607 is a prime.

It is a super-3 number, since 3×12302121193 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230212119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230212719) 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, 446629 + ... + 449374.

It is an arithmetic number, because the mean of its divisors is an integer number (307777374).

Almost surely, 21230212119 is an apocalyptic number.

1230212119 is a deficient number, since it is larger than the sum of its proper divisors (897377).

1230212119 is an equidigital number, since it uses as much as digits as its factorization.

1230212119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897376.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1230212119 is about 35074.3798091998. The cubic root of 1230212119 is about 1071.5028577632.

The spelling of 1230212119 in words is "one billion, two hundred thirty million, two hundred twelve thousand, one hundred nineteen".

Divisors: 1 1373 896003 1230212119