Search a number
-
+
11112111011120 = 245719843055377
BaseRepresentation
bin1010000110110011110101…
…1011011111010100110000
31110100022022010022010112112
42201230331123133110300
52424030100404323440
635344455555344452
72224552320101210
oct241547533372460
943308263263475
1011112111011120
1135a468aa78a09
1212b57275b2128
13627b38095962
142a5b86c70240
151440b8c91965
hexa1b3d6df530

11112111011120 has 40 divisors (see below), whose sum is σ = 29526466402464. Its totient is φ = 3809866632192.

The previous prime is 11112111011059. The next prime is 11112111011123. The reversal of 11112111011120 is 2111011121111.

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

It is a super-2 number, since 2×111121110111202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11112111011095 and 11112111011104.

It is not an unprimeable number, because it can be changed into a prime (11112111011123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9921527129 + ... + 9921528248.

Almost surely, 211112111011120 is an apocalyptic number.

11112111011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112111011120 is an abundant number, since it is smaller than the sum of its proper divisors (18414355391344).

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

11112111011120 is a wasteful number, since it uses less digits than its factorization.

11112111011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19843055397 (or 19843055391 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11112111011120 its reverse (2111011121111), we get a palindrome (13223122132231).

The spelling of 11112111011120 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 19843055377 39686110754 79372221508 99215276885 138901387639 158744443016 198430553770 277802775278 317488886032 396861107540 555605550556 694506938195 793722215080 1111211101112 1389013876390 1587444430160 2222422202224 2778027752780 5556055505560 11112111011120