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101111100010 = 2510111110001
BaseRepresentation
bin101111000101010110…
…0001111001001101010
3100122222121101001220221
41132022230033021222
53124033420200020
6114241053440254
710206425112064
oct1361254171152
9318877331827
10101111100010
1139976641a78
1217719aa008a
1396c4a7887b
144c7284c734
15296ba646aa
hex178ab0f26a

101111100010 has 8 divisors (see below), whose sum is σ = 181999980036. Its totient is φ = 40444440000.

The previous prime is 101111100007. The next prime is 101111100019. The reversal of 101111100010 is 10001111101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83257062849 + 17854037161 = 288543^2 + 133619^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 101111099966 and 101111100002.

It is not an unprimeable number, because it can be changed into a prime (101111100019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055554991 + ... + 5055555010.

Almost surely, 2101111100010 is an apocalyptic number.

101111100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111100010 is a deficient number, since it is larger than the sum of its proper divisors (80888880026).

101111100010 is a wasteful number, since it uses less digits than its factorization.

101111100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111110008.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 101111100010 its reverse (10001111101), we get a palindrome (111112211111).

The spelling of 101111100010 in words is "one hundred one billion, one hundred eleven million, one hundred thousand, ten".

Divisors: 1 2 5 10 10111110001 20222220002 50555550005 101111100010