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101111010010 = 25231933322739
BaseRepresentation
bin101111000101010101…
…1111001001011011010
3100122222121012111110121
41132022223321023122
53124033404310020
6114241051503454
710206424255513
oct1361253711332
9318877174417
10101111010010
113997659039a
1217719a57b8a
1396c4a4690a
144c72827a0a
15296ba47baa
hex178aaf92da

101111010010 has 32 divisors (see below), whose sum is σ = 189931029120. Its totient is φ = 38682249408.

The previous prime is 101111009999. The next prime is 101111010029. The reversal of 101111010010 is 10010111101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101111009975 and 101111010002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4435221 + ... + 4457959.

It is an arithmetic number, because the mean of its divisors is an integer number (5935344660).

Almost surely, 2101111010010 is an apocalyptic number.

101111010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111010010 is a deficient number, since it is larger than the sum of its proper divisors (88820019110).

101111010010 is a wasteful number, since it uses less digits than its factorization.

101111010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42102.

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

Adding to 101111010010 its reverse (10010111101), we get a palindrome (111121121111).

It can be divided in two parts, 101 and 111010010, that added together give a palindrome (111010111).

The spelling of 101111010010 in words is "one hundred one billion, one hundred eleven million, ten thousand, ten".

Divisors: 1 2 5 10 23 46 115 230 19333 22739 38666 45478 96665 113695 193330 227390 444659 522997 889318 1045994 2223295 2614985 4446590 5229970 439613087 879226174 2198065435 4396130870 10111101001 20222202002 50555505005 101111010010