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101422402415161 = 100708692
BaseRepresentation
bin10111000011111000111110…
…010001001010101000111001
3111022002212221121101221001121
4113003320332101022220321
5101243201040004241121
6555412450342545241
730235345452162112
oct2703707621125071
9438085847357047
10101422402415161
112a352aaa0a5563
12b460411438221
13447912607a779
141b08c287d1209
15bad36954c141
hex5c3e3e44aa39

101422402415161 has 3 divisors (see below), whose sum is σ = 101422412486031. Its totient is φ = 101422392344292.

The previous prime is 101422402415153. The next prime is 101422402415179. The reversal of 101422402415161 is 161514204224101.

The square root of 101422402415161 is 10070869.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 75569448638761 + 25852953776400 = 8693069^2 + 5084580^2 .

It is not a de Polignac number, because 101422402415161 - 23 = 101422402415153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101422402415141) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5035435 + ... + 15106303.

It is an arithmetic number, because the mean of its divisors is an integer number (33807470828677).

Almost surely, 2101422402415161 is an apocalyptic number.

101422402415161 is the 10070869-th square number.

101422402415161 is the 5035435-th centered octagonal number.

It is an amenable number.

101422402415161 is a deficient number, since it is larger than the sum of its proper divisors (10070870).

101422402415161 is an frugal number, since it uses more digits than its factorization.

101422402415161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20141738 (or 10070869 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

Adding to 101422402415161 its reverse (161514204224101), we get a palindrome (262936606639262).

The spelling of 101422402415161 in words is "one hundred one trillion, four hundred twenty-two billion, four hundred two million, four hundred fifteen thousand, one hundred sixty-one".

Divisors: 1 10070869 101422402415161