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2051451041 = 6313251111
BaseRepresentation
bin111101001000110…
…1010100010100001
312021222011111210012
41322101222202201
513200132413131
6535321414305
7101560021553
oct17221524241
95258144705
102051451041
11962a99592
1249303a395
13269020073
1415664d4d3
15c017752b
hex7a46a8a1

2051451041 has 4 divisors (see below), whose sum is σ = 2054702784. Its totient is φ = 2048199300.

The previous prime is 2051450987. The next prime is 2051451049. The reversal of 2051451041 is 1401541502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2051451041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2051450998 and 2051451016.

It is not an unprimeable number, because it can be changed into a prime (2051451049) 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, 1624925 + ... + 1626186.

It is an arithmetic number, because the mean of its divisors is an integer number (513675696).

Almost surely, 22051451041 is an apocalyptic number.

It is an amenable number.

2051451041 is a deficient number, since it is larger than the sum of its proper divisors (3251743).

2051451041 is an equidigital number, since it uses as much as digits as its factorization.

2051451041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251742.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2051451041 is about 45292.9469233345. The cubic root of 2051451041 is about 1270.6337467742.

Adding to 2051451041 its reverse (1401541502), we get a palindrome (3452992543).

The spelling of 2051451041 in words is "two billion, fifty-one million, four hundred fifty-one thousand, forty-one".

Divisors: 1 631 3251111 2051451041