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2138200053 = 31164793941
BaseRepresentation
bin111111101110010…
…0101011111110101
312112000101211001120
41333130211133311
513334334400203
6552101014153
7103662254253
oct17734453765
95460354046
102138200053
119a7a5a390
124b80b4359
13280ca4342
14163d915d3
15c7ab0b53
hex7f7257f5

2138200053 has 8 divisors (see below), whose sum is σ = 3110109216. Its totient is φ = 1295878800.

The previous prime is 2138200021. The next prime is 2138200063. The reversal of 2138200053 is 3500028312.

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

It is not a de Polignac number, because 2138200053 - 25 = 2138200021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2138199996 and 2138200032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138200013) 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, 32396938 + ... + 32397003.

It is an arithmetic number, because the mean of its divisors is an integer number (388763652).

Almost surely, 22138200053 is an apocalyptic number.

It is an amenable number.

2138200053 is a deficient number, since it is larger than the sum of its proper divisors (971909163).

2138200053 is a wasteful number, since it uses less digits than its factorization.

2138200053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64793955.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2138200053 is about 46240.6753086501. The cubic root of 2138200053 is about 1288.2973456489.

Adding to 2138200053 its reverse (3500028312), we get a palindrome (5638228365).

The spelling of 2138200053 in words is "two billion, one hundred thirty-eight million, two hundred thousand, fifty-three".

Divisors: 1 3 11 33 64793941 194381823 712733351 2138200053