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111112130130 = 23561163372497
BaseRepresentation
bin110011101111011001…
…1001000111001010010
3101121210121002001002220
41213132303020321102
53310024201131010
6123013314321510
711012314344231
oct1473663107122
9347717061086
10111112130130
114313899aa21
121964b289296
13a629a36b81
145540b9cb18
152d54a77970
hex19decc8e52

111112130130 has 64 divisors (see below), whose sum is σ = 272704295808. Its totient is φ = 28965288960.

The previous prime is 111112130119. The next prime is 111112130159. The reversal of 111112130130 is 31031211111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112042 + ... + 484538.

It is an arithmetic number, because the mean of its divisors is an integer number (4261004622).

Almost surely, 2111112130130 is an apocalyptic number.

111112130130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111112130130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136352147904).

111112130130 is an abundant number, since it is smaller than the sum of its proper divisors (161592165678).

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

111112130130 is a wasteful number, since it uses less digits than its factorization.

111112130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372731.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111112130130 its reverse (31031211111), we get a palindrome (142143341241).

The spelling of 111112130130 in words is "one hundred eleven billion, one hundred twelve million, one hundred thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 61 122 163 183 305 326 366 489 610 815 915 978 1630 1830 2445 4890 9943 19886 29829 49715 59658 99430 149145 298290 372497 744994 1117491 1862485 2234982 3724970 5587455 11174910 22722317 45444634 60717011 68166951 113611585 121434022 136333902 182151033 227223170 303585055 340834755 364302066 607170110 681669510 910755165 1821510330 3703737671 7407475342 11111213013 18518688355 22222426026 37037376710 55556065065 111112130130