Search a number
-
+
110001111001001 = 11101251990139841
BaseRepresentation
bin11001000000101110100001…
…001001010110011110101001
3112102111000002120002110222022
4121000232201021112132221
5103404224233404013001
61025541451320234225
732112214035051533
oct3100564111263651
9472430076073868
10110001111001001
1132060233489740
1210406b5160b975
13494c0a25044bc
141d24121704853
15cab5ac01d11b
hex640ba12567a9

110001111001001 has 32 divisors (see below), whose sum is σ = 121687512008832. Its totient is φ = 98604000000000.

The previous prime is 110001111000983. The next prime is 110001111001043. The reversal of 110001111001001 is 100100111100011.

It is a de Polignac number, because none of the positive numbers 2k-110001111001001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110001111001001.

It is not an unprimeable number, because it can be changed into a prime (110001111001091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2760982841 + ... + 2761022681.

It is an arithmetic number, because the mean of its divisors is an integer number (3802734750276).

Almost surely, 2110001111001001 is an apocalyptic number.

110001111001001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110001111001001 is a deficient number, since it is larger than the sum of its proper divisors (11686401007831).

110001111001001 is a wasteful number, since it uses less digits than its factorization.

110001111001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50105.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 110001111001001 its reverse (100100111100011), we get a palindrome (210101222101012).

The spelling of 110001111001001 in words is "one hundred ten trillion, one billion, one hundred eleven million, one thousand, one".

Divisors: 1 11 101 251 1111 2761 9901 25351 39841 108911 278861 438251 1000001 2485151 4023941 10000091 11000011 27336661 44263351 110001001 251000251 394465741 1010009191 2761002761 4339123151 11110101101 39841039841 99010900991 438251438251 1089119910901 10000101000091 110001111001001