Search a number
-
+
13123011110 = 2511177017653
BaseRepresentation
bin11000011100011000…
…10100001000100110
31020212120021000222112
430032030110020212
5203333442323420
610010103401022
7643125516416
oct141614241046
936776230875
1013123011110
115624663530
122662a53172
131311a11341
148c6c2a646
1551c14e8c5
hex30e314226

13123011110 has 32 divisors (see below), whose sum is σ = 27284638752. Its totient is φ = 4491297280.

The previous prime is 13123011101. The next prime is 13123011113. The reversal of 13123011110 is 1111032131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123011113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3506957 + ... + 3510696.

It is an arithmetic number, because the mean of its divisors is an integer number (852644961).

Almost surely, 213123011110 is an apocalyptic number.

13123011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123011110 is an abundant number, since it is smaller than the sum of its proper divisors (14161627642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13123011110 is a wasteful number, since it uses less digits than its factorization.

13123011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017688.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 13123011110 its reverse (1111032131), we get a palindrome (14234043241).

The spelling of 13123011110 in words is "thirteen billion, one hundred twenty-three million, eleven thousand, one hundred ten".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 935 1870 7017653 14035306 35088265 70176530 77194183 119300101 154388366 238600202 385970915 596500505 771941830 1193001010 1312301111 2624602222 6561505555 13123011110