Search a number
-
+
20130123214110 = 2357137373671507
BaseRepresentation
bin1001001001110111010001…
…10101111110110100011110
32122021102100220020200021010
410210323220311332310132
510114302443020322420
6110451352334120050
74145232135055020
oct444735065766436
978242326220233
1020130123214110
116461156843808
122311429650026
13b30354869410
144d8435c3c010
1524d96d9374e0
hex124ee8d7ed1e

20130123214110 has 64 divisors (see below), whose sum is σ = 59461287040512. Its totient is φ = 4247234787456.

The previous prime is 20130123214109. The next prime is 20130123214181. The reversal of 20130123214110 is 1141232103102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3686833024 + ... + 3686838483.

It is an arithmetic number, because the mean of its divisors is an integer number (929082610008).

Almost surely, 220130123214110 is an apocalyptic number.

20130123214110 is an abundant number, since it is smaller than the sum of its proper divisors (39331163826402).

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

20130123214110 is a wasteful number, since it uses less digits than its factorization.

20130123214110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373671537.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20130123214110 its reverse (1141232103102), we get a palindrome (21271355317212).

The spelling of 20130123214110 in words is "twenty trillion, one hundred thirty billion, one hundred twenty-three million, two hundred fourteen thousand, one hundred ten".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 7373671507 14747343014 22121014521 36868357535 44242029042 51615700549 73736715070 95857729591 103231401098 110605072605 154847101647 191715459182 221210145210 258078502745 287573188773 309694203294 479288647955 516157005490 575146377546 671004107137 774235508235 958577295910 1342008214274 1437865943865 1548471016470 2013012321411 2875731887730 3355020535685 4026024642822 6710041071370 10065061607055 20130123214110