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11121194680 = 235278029867
BaseRepresentation
bin10100101101101111…
…11111011010111000
31001201001111020002021
422112313333122320
5140234011212210
65035313444224
7542410411051
oct122667773270
931631436067
1011121194680
114797696192
1221a4570674
13108307c28b
1477701b728
1545152dbda
hex296dff6b8

11121194680 has 16 divisors (see below), whose sum is σ = 25022688120. Its totient is φ = 4448477856.

The previous prime is 11121194647. The next prime is 11121194719. The reversal of 11121194680 is 8649112111.

It is a super-2 number, since 2×111211946802 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139014894 + ... + 139014973.

Almost surely, 211121194680 is an apocalyptic number.

11121194680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121194680 is an abundant number, since it is smaller than the sum of its proper divisors (13901493440).

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

11121194680 is a wasteful number, since it uses less digits than its factorization.

11121194680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278029878 (or 278029874 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 34.

The spelling of 11121194680 in words is "eleven billion, one hundred twenty-one million, one hundred ninety-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 278029867 556059734 1112119468 1390149335 2224238936 2780298670 5560597340 11121194680