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112020021231 = 370999525923
BaseRepresentation
bin110100001010011101…
…0011101111111101111
3101201010212102200120020
41220110322131333233
53313404111134411
6123243345453223
711043650320116
oct1502472357757
9351125380506
10112020021231
1143564421a48
1219863341213
13a742b64241
1455c95b0c7d
152da9612606
hex1a14e9dfef

112020021231 has 8 divisors (see below), whose sum is σ = 149362416000. Its totient is φ = 74678820312.

The previous prime is 112020021203. The next prime is 112020021257. The reversal of 112020021231 is 132120020211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112020021231 - 214 = 112020004847 is a prime.

It is a super-2 number, since 2×1120200212312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112020021231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020023231) 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, 49965 + ... + 475958.

It is an arithmetic number, because the mean of its divisors is an integer number (18670302000).

Almost surely, 2112020021231 is an apocalyptic number.

112020021231 is a deficient number, since it is larger than the sum of its proper divisors (37342394769).

112020021231 is an equidigital number, since it uses as much as digits as its factorization.

112020021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596925.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 112020021231 its reverse (132120020211), we get a palindrome (244140041442).

The spelling of 112020021231 in words is "one hundred twelve billion, twenty million, twenty-one thousand, two hundred thirty-one".

Divisors: 1 3 70999 212997 525923 1577769 37340007077 112020021231