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111213321132 = 22329378637257
BaseRepresentation
bin110011110010011010…
…1001001101110101100
3101122001122111002001210
41213210311021232230
53310231102234012
6123031331234420
711014653426564
oct1474465115654
9348048432053
10111213321132
1143190025251
1219679148a10
13a6449a67c4
1455503bdda4
152d5d8b523c
hex19e4d49bac

111213321132 has 48 divisors (see below), whose sum is σ = 275701275360. Its totient is φ = 34825416192.

The previous prime is 111213321077. The next prime is 111213321151. The reversal of 111213321132 is 231123312111.

It is a super-2 number, since 2×1112133211322 (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111213321099 and 111213321108.

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, 4305753 + ... + 4331504.

It is an arithmetic number, because the mean of its divisors is an integer number (5743776570).

Almost surely, 2111213321132 is an apocalyptic number.

111213321132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111213321132 is an abundant number, since it is smaller than the sum of its proper divisors (164487954228).

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

111213321132 is a wasteful number, since it uses less digits than its factorization.

111213321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8637330 (or 8637328 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

Adding to 111213321132 its reverse (231123312111), we get a palindrome (342336633243).

It can be divided in two parts, 1112133 and 21132, that added together give a triangular number (1133265 = T1505).

The spelling of 111213321132 in words is "one hundred eleven billion, two hundred thirteen million, three hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 29 37 58 74 87 111 116 148 174 222 348 444 1073 2146 3219 4292 6438 12876 8637257 17274514 25911771 34549028 51823542 103647084 250480453 319578509 500960906 639157018 751441359 958735527 1001921812 1278314036 1502882718 1917471054 3005765436 3834942108 9267776761 18535553522 27803330283 37071107044 55606660566 111213321132