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10111101010011 = 381541091451
BaseRepresentation
bin1001001100100010110010…
…0101011000000001011011
31022210121112000101100000000
42103020230211120001123
52311130013324310021
633300550425144043
72062334336345421
oct223105445300133
938717460340000
1010111101010011
113249103a19261
12117372332b023
1358461b79aa31
1426d546635111
1512802da20b26
hex9322c95805b

10111101010011 has 18 divisors (see below), whose sum is σ = 15165880979132. Its totient is φ = 6740734002300.

The previous prime is 10111101010009. The next prime is 10111101010057. The reversal of 10111101010011 is 11001010111101.

It is not a de Polignac number, because 10111101010011 - 21 = 10111101010009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111101009975 and 10111101010002.

It is not an unprimeable number, because it can be changed into a prime (10111101010411) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 770539165 + ... + 770552286.

Almost surely, 210111101010011 is an apocalyptic number.

10111101010011 is a deficient number, since it is larger than the sum of its proper divisors (5054779969121).

10111101010011 is an frugal number, since it uses more digits than its factorization.

10111101010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541091475 (or 1541091454 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 10111101010011 its reverse (11001010111101), we get a palindrome (21112111121112).

The spelling of 10111101010011 in words is "ten trillion, one hundred eleven billion, one hundred one million, ten thousand, eleven".

Divisors: 1 3 9 27 81 243 729 2187 6561 1541091451 4623274353 13869823059 41609469177 124828407531 374485222593 1123455667779 3370367003337 10111101010011