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12119988760 = 2351127545429
BaseRepresentation
bin10110100100110100…
…00101101000011000
31011021122220012222121
423102122011220120
5144310204120020
65322353231024
7606226130125
oct132232055030
934248805877
1012119988760
11515a465a40
122422b62474
1311b1c865a9
1482d93374c
154ae072baa
hex2d2685a18

12119988760 has 32 divisors (see below), whose sum is σ = 29749064400. Its totient is φ = 4407268480.

The previous prime is 12119988733. The next prime is 12119988773. The reversal of 12119988760 is 6788991121.

It is a junction number, because it is equal to n+sod(n) for n = 12119988698 and 12119988707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13772275 + ... + 13773154.

Almost surely, 212119988760 is an apocalyptic number.

12119988760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12119988760 is an abundant number, since it is smaller than the sum of its proper divisors (17629075640).

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

12119988760 is a wasteful number, since it uses less digits than its factorization.

12119988760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27545451 (or 27545447 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 12119988760 in words is "twelve billion, one hundred nineteen million, nine hundred eighty-eight thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 27545429 55090858 110181716 137727145 220363432 275454290 302999719 550908580 605999438 1101817160 1211998876 1514998595 2423997752 3029997190 6059994380 12119988760