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2119412131 = 16671271393
BaseRepresentation
bin111111001010011…
…1010100110100011
312110201001021212121
41332110322212203
513320032142011
6550150205111
7103343464054
oct17624724643
95421037777
102119412131
11998397781
124b1953797
1327a126825
141616a072b
15c60ede71
hex7e53a9a3

2119412131 has 4 divisors (see below), whose sum is σ = 2120685192. Its totient is φ = 2118139072.

The previous prime is 2119412111. The next prime is 2119412137. The reversal of 2119412131 is 1312149112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2119412131 - 227 = 1985194403 is a prime.

It is a super-2 number, since 2×21194121312 = 8983815562059922322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2119412096 and 2119412105.

It is not an unprimeable number, because it can be changed into a prime (2119412137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634030 + ... + 637363.

It is an arithmetic number, because the mean of its divisors is an integer number (530171298).

Almost surely, 22119412131 is an apocalyptic number.

2119412131 is a deficient number, since it is larger than the sum of its proper divisors (1273061).

2119412131 is a wasteful number, since it uses less digits than its factorization.

2119412131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273060.

The product of its digits is 432, while the sum is 25.

The square root of 2119412131 is about 46037.0734408694. The cubic root of 2119412131 is about 1284.5129053629.

The spelling of 2119412131 in words is "two billion, one hundred nineteen million, four hundred twelve thousand, one hundred thirty-one".

Divisors: 1 1667 1271393 2119412131