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112203231020 = 225171239126633
BaseRepresentation
bin110100001111111010…
…1010110111100101100
3101201121122011201010222
41220133311112330230
53314243011343040
6123313452350512
711051333504336
oct1503765267454
9351548151128
10112203231020
11436488871a1
12198b4775438
13a771ac00ba
145605a62456
152dba751bb5
hex1a1fd56f2c

112203231020 has 48 divisors (see below), whose sum is σ = 249516687168. Its totient is φ = 42236221440.

The previous prime is 112203231013. The next prime is 112203231043. The reversal of 112203231020 is 20132302211.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 112203231020.

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, 4199624 + ... + 4226256.

It is an arithmetic number, because the mean of its divisors is an integer number (5198264316).

Almost surely, 2112203231020 is an apocalyptic number.

112203231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112203231020 is an abundant number, since it is smaller than the sum of its proper divisors (137313456148).

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

112203231020 is a wasteful number, since it uses less digits than its factorization.

112203231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39050 (or 39048 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 112203231020 its reverse (20132302211), we get a palindrome (132335533231).

The spelling of 112203231020 in words is "one hundred twelve billion, two hundred three million, two hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 12391 24782 26633 49564 53266 61955 106532 123910 133165 210647 247820 266330 421294 452761 532660 842588 905522 1053235 1811044 2106470 2263805 4212940 4527610 9055220 330009503 660019006 1320038012 1650047515 3300095030 5610161551 6600190060 11220323102 22440646204 28050807755 56101615510 112203231020