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2124043131 = 37214449273
BaseRepresentation
bin111111010011010…
…0101001101111011
312111000202120102010
41332212211031323
513322223340011
6550433341003
7103431032400
oct17646451573
95430676363
102124043131
1199aa70051
124b3407763
1327b088672
141621482a7
15c67161a6
hex7e9a537b

2124043131 has 12 divisors (see below), whose sum is σ = 3294434472. Its totient is φ = 1213738848.

The previous prime is 2124043091. The next prime is 2124043139. The reversal of 2124043131 is 1313404212.

It is not a de Polignac number, because 2124043131 - 211 = 2124041083 is a prime.

It is a super-2 number, since 2×21240431312 = 9023118444696566322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2124043098 and 2124043107.

It is not an unprimeable number, because it can be changed into a prime (2124043139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7224490 + ... + 7224783.

It is an arithmetic number, because the mean of its divisors is an integer number (274536206).

Almost surely, 22124043131 is an apocalyptic number.

2124043131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2124043131 is a deficient number, since it is larger than the sum of its proper divisors (1170391341).

2124043131 is a wasteful number, since it uses less digits than its factorization.

2124043131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449290 (or 14449283 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2124043131 is about 46087.3424163295. The cubic root of 2124043131 is about 1285.4477954050.

Adding to 2124043131 its reverse (1313404212), we get a palindrome (3437447343).

The spelling of 2124043131 in words is "two billion, one hundred twenty-four million, forty-three thousand, one hundred thirty-one".

Divisors: 1 3 7 21 49 147 14449273 43347819 101144911 303434733 708014377 2124043131