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2113430544 = 243253276917
BaseRepresentation
bin111110111111000…
…0110010000010000
312110021210101200100
41331332012100100
513312014234134
6545414052400
7103241602041
oct17576062020
95407711610
102113430544
11994a81715
124ab94a100
13278b11024
141609848c8
15c581b999
hex7df86410

2113430544 has 60 divisors (see below), whose sum is σ = 6026289516. Its totient is φ = 691182336.

The previous prime is 2113430507. The next prime is 2113430551. The reversal of 2113430544 is 4450343112.

It is a happy number.

2113430544 is a `hidden beast` number, since 2 + 113 + 4 + 3 + 0 + 544 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1762992144 + 350438400 = 41988^2 + 18720^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130827 + ... + 146090.

Almost surely, 22113430544 is an apocalyptic number.

2113430544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2113430544 is an abundant number, since it is smaller than the sum of its proper divisors (3912858972).

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

2113430544 is a wasteful number, since it uses less digits than its factorization.

2113430544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276984 (or 276975 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2113430544 is about 45972.0626467858. The cubic root of 2113430544 is about 1283.3033458483.

Subtracting from 2113430544 its product of nonzero digits (5760), we obtain a square (2113424784 = 459722).

Adding to 2113430544 its reverse (4450343112), we get a palindrome (6563773656).

The spelling of 2113430544 in words is "two billion, one hundred thirteen million, four hundred thirty thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 53 72 106 144 159 212 318 424 477 636 848 954 1272 1908 2544 3816 7632 276917 553834 830751 1107668 1661502 2215336 2492253 3323004 4430672 4984506 6646008 9969012 13292016 14676601 19938024 29353202 39876048 44029803 58706404 88059606 117412808 132089409 176119212 234825616 264178818 352238424 528357636 704476848 1056715272 2113430544