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2163426031 = 13306154367
BaseRepresentation
bin1000000011110011…
…0100001011101111
312120202212102121001
42000330310023233
513412314113111
6554401421131
7104416550344
oct20074641357
95522772531
102163426031
11a10219aa8
1250463a7a7
13286297360
1416747a7cb
15c9de51c1
hex80f342ef

2163426031 has 8 divisors (see below), whose sum is σ = 2330647424. Its totient is φ = 1996319520.

The previous prime is 2163426007. The next prime is 2163426037. The reversal of 2163426031 is 1306243612.

2163426031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2163426031 - 27 = 2163425903 is a prime.

It is a super-2 number, since 2×21634260312 = 9360824383216825922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163426037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12610 + ... + 66976.

It is an arithmetic number, because the mean of its divisors is an integer number (291330928).

Almost surely, 22163426031 is an apocalyptic number.

2163426031 is a deficient number, since it is larger than the sum of its proper divisors (167221393).

2163426031 is a wasteful number, since it uses less digits than its factorization.

2163426031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57441.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2163426031 is about 46512.6437756445. The cubic root of 2163426031 is about 1293.3438937403.

Adding to 2163426031 its reverse (1306243612), we get a palindrome (3469669643).

The spelling of 2163426031 in words is "two billion, one hundred sixty-three million, four hundred twenty-six thousand, thirty-one".

Divisors: 1 13 3061 39793 54367 706771 166417387 2163426031