Search a number
-
+
10711210221 = 328179145511
BaseRepresentation
bin10011111100111000…
…00001100011101101
31000122111000212010200
421332130001203231
5133414032211341
64530510224113
7526301533065
oct117634014355
930574025120
1010711210221
1145a7220858
1220ab1b5039
13101915321a
147387b83a5
1542a546db6
hex27e7018ed

10711210221 has 12 divisors (see below), whose sum is σ = 15473746080. Its totient is φ = 7139884680.

The previous prime is 10711210207. The next prime is 10711210243. The reversal of 10711210221 is 12201211701.

It is not a de Polignac number, because 10711210221 - 229 = 10174339309 is a prime.

It is a super-2 number, since 2×107112102212 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10711210194 and 10711210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10711210201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 856 + ... + 146366.

It is an arithmetic number, because the mean of its divisors is an integer number (1289478840).

Almost surely, 210711210221 is an apocalyptic number.

It is an amenable number.

10711210221 is a deficient number, since it is larger than the sum of its proper divisors (4762535859).

10711210221 is a wasteful number, since it uses less digits than its factorization.

10711210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153696 (or 153693 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 10711210221 its reverse (12201211701), we get a palindrome (22912421922).

The spelling of 10711210221 in words is "ten billion, seven hundred eleven million, two hundred ten thousand, two hundred twenty-one".

Divisors: 1 3 9 8179 24537 73611 145511 436533 1309599 1190134469 3570403407 10711210221