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112124302221 = 3291531841793
BaseRepresentation
bin110100001101100100…
…0010001001110001101
3101201102010122201012010
41220123020101032031
53314112310132341
6123301552531433
711046354562251
oct1503310211615
9351363581163
10112124302221
1143608277888
1219892250b79
13a75b646479
1455d9398261
152db3860716
hex1a1b21138d

112124302221 has 16 divisors (see below), whose sum is σ = 154755408960. Its totient is φ = 72124738560.

The previous prime is 112124302219. The next prime is 112124302243. The reversal of 112124302221 is 122203421211.

It is a happy number.

It is not a de Polignac number, because 112124302221 - 21 = 112124302219 is a prime.

It is a super-2 number, since 2×1121243022212 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112124301221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287700 + ... + 554093.

It is an arithmetic number, because the mean of its divisors is an integer number (9672213060).

Almost surely, 2112124302221 is an apocalyptic number.

It is an amenable number.

112124302221 is a deficient number, since it is larger than the sum of its proper divisors (42631106739).

112124302221 is a wasteful number, since it uses less digits than its factorization.

112124302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843356.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 112124302221 its reverse (122203421211), we get a palindrome (234327723432).

The spelling of 112124302221 in words is "one hundred twelve billion, one hundred twenty-four million, three hundred two thousand, two hundred twenty-one".

Divisors: 1 3 29 87 1531 4593 44399 133197 841793 2525379 24411997 73235991 1288785083 3866355249 37374767407 112124302221