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11889410880 = 263512384803
BaseRepresentation
bin10110001001010101…
…00000001101000000
31010200121000122121010
423010222200031000
5143322142122010
65243435200520
7600426216324
oct130452401500
933617018533
1011889410880
115051298406
1223798a6140
131176284289
1480b071984
15498bc8620
hex2c4aa0340

11889410880 has 56 divisors (see below), whose sum is σ = 37748882592. Its totient is φ = 3170509312.

The previous prime is 11889410851. The next prime is 11889410899. The reversal of 11889410880 is 8801498811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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, 6191442 + ... + 6193361.

Almost surely, 211889410880 is an apocalyptic number.

11889410880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11889410880 is an abundant number, since it is smaller than the sum of its proper divisors (25859471712).

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

11889410880 is a wasteful number, since it uses less digits than its factorization.

11889410880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12384823 (or 12384813 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 48.

The spelling of 11889410880 in words is "eleven billion, eight hundred eighty-nine million, four hundred ten thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 12384803 24769606 37154409 49539212 61924015 74308818 99078424 123848030 148617636 185772045 198156848 247696060 297235272 371544090 396313696 495392120 594470544 743088180 792627392 990784240 1188941088 1486176360 1981568480 2377882176 2972352720 3963136960 5944705440 11889410880