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101021303106 = 2325612294617
BaseRepresentation
bin101111000010101010…
…1101100000101000010
3100122202100101220201200
41132011111230011002
53123342423144411
6114224125042030
710204254623403
oct1360525540502
9318670356650
10101021303106
113992a98a259
12176b39b6316
1396ac2981c9
144c649559aa
152963c27e56
hex178556c142

101021303106 has 12 divisors (see below), whose sum is σ = 218879490102. Its totient is φ = 33673767696.

The previous prime is 101021303083. The next prime is 101021303107. The reversal of 101021303106 is 601303120101.

It can be written as a sum of positive squares in only one way, i.e., 100942821225 + 78481881 = 317715^2 + 8859^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5612294617 = 101021303106 / (1 + 0 + 1 + 0 + 2 + 1 + 3 + 0 + 3 + 1 + 0 + 6).

It is not an unprimeable number, because it can be changed into a prime (101021303107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2806147291 + ... + 2806147326.

Almost surely, 2101021303106 is an apocalyptic number.

101021303106 is an abundant number, since it is smaller than the sum of its proper divisors (117858186996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101021303106 is a wasteful number, since it uses less digits than its factorization.

101021303106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612294625 (or 5612294622 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101021303106 its reverse (601303120101), we get a palindrome (702324423207).

The spelling of 101021303106 in words is "one hundred one billion, twenty-one million, three hundred three thousand, one hundred six".

Divisors: 1 2 3 6 9 18 5612294617 11224589234 16836883851 33673767702 50510651553 101021303106