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102011100010 = 2541248807561
BaseRepresentation
bin101111100000001010…
…1011101101101101010
3100202022022212210211021
41133000111131231222
53132404320200020
6114510243523054
710240634020561
oct1370025355552
9322268783737
10102011100010
113a298674326
121792b38948a
139809372251
144d1a1a8bd8
1529c0a911aa
hex17c055db6a

102011100010 has 16 divisors (see below), whose sum is σ = 188098516872. Its totient is φ = 39809209600.

The previous prime is 102011099917. The next prime is 102011100011. The reversal of 102011100010 is 10001110201.

It can be written as a sum of positive squares in 4 ways, for example, as 42068881449 + 59942218561 = 205107^2 + 244831^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102011099966 and 102011100002.

It is not an unprimeable number, because it can be changed into a prime (102011100011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124403371 + ... + 124404190.

Almost surely, 2102011100010 is an apocalyptic number.

102011100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102011100010 is a deficient number, since it is larger than the sum of its proper divisors (86087416862).

102011100010 is a wasteful number, since it uses less digits than its factorization.

102011100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248807609.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 102011100010 its reverse (10001110201), we get a palindrome (112012210211).

The spelling of 102011100010 in words is "one hundred two billion, eleven million, one hundred thousand, ten".

Divisors: 1 2 5 10 41 82 205 410 248807561 497615122 1244037805 2488075610 10201110001 20402220002 51005550005 102011100010