Search a number
-
+
1213413342 = 23613315337
BaseRepresentation
bin100100001010011…
…0011011111011110
310010120020210011220
41020110303133132
54441113211332
6320223354210
742032562141
oct11024633736
93116223156
101213413342
11572a38449
1229a452966
1316450c87b
14b7222058
15717d9d2c
hex485337de

1213413342 has 16 divisors (see below), whose sum is σ = 2466611472. Its totient is φ = 397840320.

The previous prime is 1213413319. The next prime is 1213413353. The reversal of 1213413342 is 2433143121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657303 + ... + 1658034.

It is an arithmetic number, because the mean of its divisors is an integer number (154163217).

Almost surely, 21213413342 is an apocalyptic number.

1213413342 is an abundant number, since it is smaller than the sum of its proper divisors (1253198130).

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

1213413342 is a wasteful number, since it uses less digits than its factorization.

1213413342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315403.

The product of its digits is 1728, while the sum is 24.

The square root of 1213413342 is about 34834.0830509431. The cubic root of 1213413342 is about 1066.6032973856.

Adding to 1213413342 its reverse (2433143121), we get a palindrome (3646556463).

The spelling of 1213413342 in words is "one billion, two hundred thirteen million, four hundred thirteen thousand, three hundred forty-two".

Divisors: 1 2 3 6 61 122 183 366 3315337 6630674 9946011 19892022 202235557 404471114 606706671 1213413342