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3113421120 = 263257271487
BaseRepresentation
bin1011100110010011…
…0000100101000000
322000222110011212100
42321210300211000
522334013433440
61232535230400
7140103433335
oct27144604500
98028404770
103113421120
111358499407
1272a818400
133a8046b24
142176cc98c
151334ea230
hexb9930940

3113421120 has 168 divisors, whose sum is σ = 10730813184. Its totient is φ = 828546048.

The previous prime is 3113421097. The next prime is 3113421127. The reversal of 3113421120 is 211243113.

3113421120 is a `hidden beast` number, since 311 + 342 + 1 + 12 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3113421093 and 3113421102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113421127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2093017 + ... + 2094503.

It is an arithmetic number, because the mean of its divisors is an integer number (63873888).

Almost surely, 23113421120 is an apocalyptic number.

3113421120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5365406592).

3113421120 is an abundant number, since it is smaller than the sum of its proper divisors (7617392064).

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

3113421120 is a wasteful number, since it uses less digits than its factorization.

3113421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3113421120 is about 55798.0386752079. The cubic root of 3113421120 is about 1460.2009356272.

Adding to 3113421120 its reverse (211243113), we get a palindrome (3324664233).

The spelling of 3113421120 in words is "three billion, one hundred thirteen million, four hundred twenty-one thousand, one hundred twenty".