Search a number
-
+
111112202012 = 22789101441461
BaseRepresentation
bin110011101111011001…
…1011010011100011100
3101121210121012200201012
41213132303122130130
53310024210431022
6123013320034352
711012315063630
oct1473663323434
9347717180635
10111112202012
1143138a39a29
121964b3029b8
13a629a607c6
145540bbadc0
152d54a8dde2
hex19decda71c

111112202012 has 48 divisors (see below), whose sum is σ = 226946784960. Its totient is φ = 46618176000.

The previous prime is 111112201979. The next prime is 111112202039. The reversal of 111112202012 is 210202211111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30962 + ... + 472422.

It is an arithmetic number, because the mean of its divisors is an integer number (4728058020).

Almost surely, 2111112202012 is an apocalyptic number.

It is an amenable number.

111112202012 is an abundant number, since it is smaller than the sum of its proper divisors (115834582948).

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

111112202012 is a wasteful number, since it uses less digits than its factorization.

111112202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441662 (or 441660 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111112202012 its reverse (210202211111), we get a palindrome (321314413123).

Subtracting 111112202012 from its reverse (210202211111), we obtain a palindrome (99090009099).

The spelling of 111112202012 in words is "one hundred eleven billion, one hundred twelve million, two hundred two thousand, twelve".

Divisors: 1 2 4 7 14 28 89 101 178 202 356 404 623 707 1246 1414 2492 2828 8989 17978 35956 62923 125846 251692 441461 882922 1765844 3090227 6180454 12360908 39290029 44587561 78580058 89175122 157160116 178350244 275030203 312112927 550060406 624225854 1100120812 1248451708 3968292929 7936585858 15873171716 27778050503 55556101006 111112202012