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11040102440 = 235733780857
BaseRepresentation
bin10100100100000101…
…01001100000101000
31001111101220022102222
422102002221200220
5140102231234230
65023255413212
7540404215403
oct122202514050
931441808388
1011040102440
114755939404
122181384208
13106c3289c3
1476a34cd3a
154493616e5
hex2920a9828

11040102440 has 32 divisors (see below), whose sum is σ = 25180514280. Its totient is φ = 4355546112.

The previous prime is 11040102401. The next prime is 11040102443. The reversal of 11040102440 is 4420104011.

It can be written as a sum of positive squares in 4 ways, for example, as 10853889124 + 186213316 = 104182^2 + 13646^2 .

It is not an unprimeable number, because it can be changed into a prime (11040102443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1887509 + ... + 1893348.

Almost surely, 211040102440 is an apocalyptic number.

11040102440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11040102440 is an abundant number, since it is smaller than the sum of its proper divisors (14140411840).

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

11040102440 is a wasteful number, since it uses less digits than its factorization.

11040102440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780941 (or 3780937 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11040102440 its reverse (4420104011), we get a palindrome (15460206451).

The spelling of 11040102440 in words is "eleven billion, forty million, one hundred two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 73 146 292 365 584 730 1460 2920 3780857 7561714 15123428 18904285 30246856 37808570 75617140 151234280 276002561 552005122 1104010244 1380012805 2208020488 2760025610 5520051220 11040102440