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11204343440 = 245293478001
BaseRepresentation
bin10100110111101010…
…01011011010010000
31001220211221121201222
422123311023122100
5140421302442230
65051443544212
7544440230213
oct123365133220
931824847658
1011204343440
11482a618074
12220838b068
131097372924
147840a377a
154589a56e5
hex29bd4b690

11204343440 has 40 divisors (see below), whose sum is σ = 26139061368. Its totient is φ = 4466432000.

The previous prime is 11204343439. The next prime is 11204343481. The reversal of 11204343440 is 4434340211.

11204343440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5527625104 + 5676718336 = 74348^2 + 75344^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 215561 + ... + 262440.

Almost surely, 211204343440 is an apocalyptic number.

11204343440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11204343440 is an abundant number, since it is smaller than the sum of its proper divisors (14934717928).

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

11204343440 is a wasteful number, since it uses less digits than its factorization.

11204343440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478307 (or 478301 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 11204343440 its reverse (4434340211), we get a palindrome (15638683651).

The spelling of 11204343440 in words is "eleven billion, two hundred four million, three hundred forty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 293 586 1172 1465 2344 2930 4688 5860 11720 23440 478001 956002 1912004 2390005 3824008 4780010 7648016 9560020 19120040 38240080 140054293 280108586 560217172 700271465 1120434344 1400542930 2240868688 2801085860 5602171720 11204343440