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1240113030 = 2351319716141
BaseRepresentation
bin100100111101010…
…1001111110000110
310012102111021021020
41021322221332012
510014432104110
6323015532010
742505533612
oct11172517606
93172437236
101240113030
11587014302
122a738a006
13169bca5c0
14ba9b2342
1573d10d70
hex49ea9f86

1240113030 has 64 divisors (see below), whose sum is σ = 3221684928. Its totient is φ = 303690240.

The previous prime is 1240113023. The next prime is 1240113041. The reversal of 1240113030 is 303110421.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68760 + ... + 84900.

It is an arithmetic number, because the mean of its divisors is an integer number (50338827).

Almost surely, 21240113030 is an apocalyptic number.

1240113030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240113030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610842464).

1240113030 is an abundant number, since it is smaller than the sum of its proper divisors (1981571898).

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

1240113030 is a wasteful number, since it uses less digits than its factorization.

1240113030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16361.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1240113030 is about 35215.2386048994. The cubic root of 1240113030 is about 1074.3697130937.

Adding to 1240113030 its reverse (303110421), we get a palindrome (1543223451).

The spelling of 1240113030 in words is "one billion, two hundred forty million, one hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 197 390 394 591 985 1182 1970 2561 2955 5122 5910 7683 12805 15366 16141 25610 32282 38415 48423 76830 80705 96846 161410 209833 242115 419666 484230 629499 1049165 1258998 2098330 3147495 3179777 6294990 6359554 9539331 15898885 19078662 31797770 41337101 47696655 82674202 95393310 124011303 206685505 248022606 413371010 620056515 1240113030