Search a number
-
+
9212320232101 = 721374549301673
BaseRepresentation
bin1000011000001110100100…
…0100110011001010100101
31012121200121102210011001101
42012003221010303022211
52201413312434411401
631332025334000101
71640365611652300
oct206035104631245
935550542704041
109212320232101
112a31a17674028
1210494ab4a6031
1351a9447a641c
1423bc43143b37
1510e97857a101
hex860e91332a5

9212320232101 has 24 divisors (see below), whose sum is σ = 10797002962200. Its totient is φ = 7836888310272.

The previous prime is 9212320232051. The next prime is 9212320232111. The reversal of 9212320232101 is 1012320232129.

It can be written as a sum of positive squares in 4 ways, for example, as 5512756501476 + 3699563730625 = 2347926^2 + 1923425^2 .

It is not a de Polignac number, because 9212320232101 - 27 = 9212320231973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9212320232101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9212320232111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30386601 + ... + 30688273.

It is an arithmetic number, because the mean of its divisors is an integer number (449875123425).

Almost surely, 29212320232101 is an apocalyptic number.

It is an amenable number.

9212320232101 is a deficient number, since it is larger than the sum of its proper divisors (1584682730099).

9212320232101 is a wasteful number, since it uses less digits than its factorization.

9212320232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306373 (or 306366 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 9212320232101 its sum of digits (28), we get a palindrome (9212320232129).

The spelling of 9212320232101 in words is "nine trillion, two hundred twelve billion, three hundred twenty million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 7 49 137 959 4549 6713 31843 222901 301673 623213 2111711 4362491 14781977 30537437 41329201 289304407 1372310477 2025130849 9606173339 67243213373 188006535349 1316045747443 9212320232101