Search a number
-
+
13021023203311 = 383877261714813
BaseRepresentation
bin1011110101111011000101…
…1101100110111111101111
31201002210112111100220121011
42331132301131212333233
53201314023420001221
643405435300450051
72512511044026334
oct275366135467757
951083474326534
1013021023203311
114170204160592
12156368a3a9927
13735b533356a6
1433031417898b
15178a901691e1
hexbd7b1766fef

13021023203311 has 16 divisors (see below), whose sum is σ = 13075783547904. Its totient is φ = 12966384985344.

The previous prime is 13021023203263. The next prime is 13021023203323. The reversal of 13021023203311 is 11330232012031.

It is a cyclic number.

It is not a de Polignac number, because 13021023203311 - 215 = 13021023170543 is a prime.

It is a super-2 number, since 2×130210232033112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021023203011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879019341 + ... + 879034153.

It is an arithmetic number, because the mean of its divisors is an integer number (817236471744).

Almost surely, 213021023203311 is an apocalyptic number.

13021023203311 is a deficient number, since it is larger than the sum of its proper divisors (54760344593).

13021023203311 is a wasteful number, since it uses less digits than its factorization.

13021023203311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18690.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13021023203311 its reverse (11330232012031), we get a palindrome (24351255215342).

The spelling of 13021023203311 in words is "thirteen trillion, twenty-one billion, twenty-three million, two hundred three thousand, three hundred eleven".

Divisors: 1 383 877 2617 14813 335891 1002311 2295109 5673379 12991001 38765621 879026747 4975553383 14847232843 33997449617 13021023203311