Search a number
-
+
11828030840 = 2351717394163
BaseRepresentation
bin10110000010000000…
…10110110101111000
31010112022112020000022
423001000112311320
5143210433441330
65233403430012
7566052413633
oct130100266570
933468466008
1011828030840
11501a6846aa
122361225308
131166643122
14802c54c1a
15493601ae5
hex2c1016d78

11828030840 has 32 divisors (see below), whose sum is σ = 28178545680. Its totient is φ = 4452905472.

The previous prime is 11828030839. The next prime is 11828030849. The reversal of 11828030840 is 4803082811.

It is a super-2 number, since 2×118280308402 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11828030840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11828030849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8696402 + ... + 8697761.

Almost surely, 211828030840 is an apocalyptic number.

11828030840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11828030840 is an abundant number, since it is smaller than the sum of its proper divisors (16350514840).

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

11828030840 is a wasteful number, since it uses less digits than its factorization.

11828030840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17394191 (or 17394187 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 11828030840 in words is "eleven billion, eight hundred twenty-eight million, thirty thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 17394163 34788326 69576652 86970815 139153304 173941630 295700771 347883260 591401542 695766520 1182803084 1478503855 2365606168 2957007710 5914015420 11828030840