Search a number
-
+
13123003110 = 235728927213
BaseRepresentation
bin11000011100011000…
…10010001011100110
31020212120020122000020
430032030102023212
5203333442044420
610010103300010
7643125454200
oct141614221346
936776218006
1013123003110
115624658518
122662a4a606
131311a0a7c9
148c6c27770
1551c14c340
hex30e3122e6

13123003110 has 48 divisors (see below), whose sum is σ = 36637286256. Its totient is φ = 2999543232.

The previous prime is 13123003067. The next prime is 13123003129. The reversal of 13123003110 is 1130032131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13123003110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4462137 + ... + 4465076.

It is an arithmetic number, because the mean of its divisors is an integer number (763276797).

Almost surely, 213123003110 is an apocalyptic number.

13123003110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123003110 is an abundant number, since it is smaller than the sum of its proper divisors (23514283146).

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

13123003110 is a wasteful number, since it uses less digits than its factorization.

13123003110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8927237 (or 8927230 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13123003110 its reverse (1130032131), we get a palindrome (14253035241).

The spelling of 13123003110 in words is "thirteen billion, one hundred twenty-three million, three thousand, one hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 8927213 17854426 26781639 44636065 53563278 62490491 89272130 124980982 133908195 187471473 267816390 312452455 374942946 437433437 624904910 874866874 937357365 1312300311 1874714730 2187167185 2624600622 4374334370 6561501555 13123003110