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112202311220 = 22553105851237
BaseRepresentation
bin110100001111111000…
…1110110011000110100
3101201121120102222102022
41220133301312120310
53314242242424340
6123313420532312
711051322623606
oct1503761663064
9351546388368
10112202311220
114364830912a
12198b43b1098
13a77185a53c
1456058a3176
152dba61e3b5
hex1a1fc76634

112202311220 has 24 divisors (see below), whose sum is σ = 240070607784. Its totient is φ = 44034114176.

The previous prime is 112202311213. The next prime is 112202311223. The reversal of 112202311220 is 22113202211.

It can be written as a sum of positive squares in 4 ways, for example, as 27467758756 + 84734552464 = 165734^2 + 291092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112202311223) 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, 52924559 + ... + 52926678.

It is an arithmetic number, because the mean of its divisors is an integer number (10002941991).

Almost surely, 2112202311220 is an apocalyptic number.

112202311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112202311220 is an abundant number, since it is smaller than the sum of its proper divisors (127868296564).

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

112202311220 is a wasteful number, since it uses less digits than its factorization.

112202311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105851299 (or 105851297 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 112202311220 its reverse (22113202211), we get a palindrome (134315513431).

The spelling of 112202311220 in words is "one hundred twelve billion, two hundred two million, three hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 105851237 211702474 423404948 529256185 1058512370 2117024740 5610115561 11220231122 22440462244 28050577805 56101155610 112202311220