Search a number
-
+
13321012232101 = 71903001747443
BaseRepresentation
bin1100000111011000101000…
…1100111011111110100101
31202011110212020122112200011
43001312022030323332211
53221222413112411401
644155331042450221
72543261046505660
oct301661214737645
952143766575604
1013321012232101
114276456143a72
1215b1850063971
13758220ac2652
14340a51a626d7
1518179b8ac451
hexc1d8a33bfa5

13321012232101 has 4 divisors (see below), whose sum is σ = 15224013979552. Its totient is φ = 11418010484652.

The previous prime is 13321012232089. The next prime is 13321012232111. The reversal of 13321012232101 is 10123221012331.

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 a cyclic number.

It is not a de Polignac number, because 13321012232101 - 29 = 13321012231589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321012232111) 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, 951500873715 + ... + 951500873728.

It is an arithmetic number, because the mean of its divisors is an integer number (3806003494888).

Almost surely, 213321012232101 is an apocalyptic number.

It is an amenable number.

13321012232101 is a deficient number, since it is larger than the sum of its proper divisors (1903001747451).

13321012232101 is an equidigital number, since it uses as much as digits as its factorization.

13321012232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903001747450.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13321012232101 its reverse (10123221012331), we get a palindrome (23444233244432).

The spelling of 13321012232101 in words is "thirteen trillion, three hundred twenty-one billion, twelve million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 7 1903001747443 13321012232101