Search a number
-
+
3111421012 = 2272100915733
BaseRepresentation
bin1011100101110100…
…1000010001010100
322000211200120020021
42321131020101110
522333010433022
61232424314524
7140050433200
oct27135102124
98024616207
103111421012
111357352727
1272a012a44
133a77c662b
1421732bb00
151332527c7
hexb9748454

3111421012 has 36 divisors (see below), whose sum is σ = 6340644660. Its totient is φ = 1332059904.

The previous prime is 3111420953. The next prime is 3111421031. The reversal of 3111421012 is 2101241113.

It can be written as a sum of positive squares in 2 ways, for example, as 607819716 + 2503601296 = 24654^2 + 50036^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189898 + ... + 205630.

Almost surely, 23111421012 is an apocalyptic number.

It is an amenable number.

3111421012 is an abundant number, since it is smaller than the sum of its proper divisors (3229223648).

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

3111421012 is a wasteful number, since it uses less digits than its factorization.

3111421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16760 (or 16751 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 3111421012 is about 55780.1130511583. The cubic root of 3111421012 is about 1459.8881837178. Note that the first 3 decimals are identical.

Adding to 3111421012 its reverse (2101241113), we get a palindrome (5212662125).

The spelling of 3111421012 in words is "three billion, one hundred eleven million, four hundred twenty-one thousand, twelve".

Divisors: 1 2 4 7 14 28 49 98 196 1009 2018 4036 7063 14126 15733 28252 31466 49441 62932 98882 110131 197764 220262 440524 770917 1541834 3083668 15874597 31749194 63498388 111122179 222244358 444488716 777855253 1555710506 3111421012