Search a number
-
+
2120320010221 = 72976591017617
BaseRepresentation
bin11110110110101100111…
…010111100011111101101
321111200220202011122221221
4132312230322330133231
5234214403410311341
64302021144223341
7306121335500620
oct36665472743755
97450822148857
102120320010221
1174824a407366
122a2b22a6ab51
13124c39b344aa
14748a44d7db7
153a24b0e5ed1
hex1edacebc7ed

2120320010221 has 8 divisors (see below), whose sum is σ = 2423233391040. Its totient is φ = 1817409259968.

The previous prime is 2120320010129. The next prime is 2120320010231. The reversal of 2120320010221 is 1220100230212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120320010221 - 27 = 2120320010093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120320010195 and 2120320010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120320010231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1574805 + ... + 2592421.

It is an arithmetic number, because the mean of its divisors is an integer number (302904173880).

Almost surely, 22120320010221 is an apocalyptic number.

It is an amenable number.

2120320010221 is a deficient number, since it is larger than the sum of its proper divisors (302913380819).

2120320010221 is a wasteful number, since it uses less digits than its factorization.

2120320010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315283.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2120320010221 its reverse (1220100230212), we get a palindrome (3340420240433).

The spelling of 2120320010221 in words is "two trillion, one hundred twenty billion, three hundred twenty million, ten thousand, two hundred twenty-one".

Divisors: 1 7 297659 1017617 2083613 7123319 302902858603 2120320010221