Search a number
-
+
1213013300233 = 7173287614319
BaseRepresentation
bin10001101001101101001…
…110100001010000001001
311021221222222112020221011
4101221231032201100021
5124333222401101413
62325130044443521
7153431412633610
oct21515516412011
94257888466834
101213013300233
11428488426179
1217710b8495a1
138a504665467
14429d2956877
15218473b833d
hex11a6d3a1409

1213013300233 has 4 divisors (see below), whose sum is σ = 1386300914560. Its totient is φ = 1039725685908.

The previous prime is 1213013300227. The next prime is 1213013300249. The reversal of 1213013300233 is 3320033103121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1213013300233 - 25 = 1213013300201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213013300033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 86643807153 + ... + 86643807166.

It is an arithmetic number, because the mean of its divisors is an integer number (346575228640).

Almost surely, 21213013300233 is an apocalyptic number.

It is an amenable number.

1213013300233 is a deficient number, since it is larger than the sum of its proper divisors (173287614327).

1213013300233 is an equidigital number, since it uses as much as digits as its factorization.

1213013300233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173287614326.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1213013300233 its reverse (3320033103121), we get a palindrome (4533046403354).

The spelling of 1213013300233 in words is "one trillion, two hundred thirteen billion, thirteen million, three hundred thousand, two hundred thirty-three".

Divisors: 1 7 173287614319 1213013300233