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2051064511 = 13165323977
BaseRepresentation
bin111101001000000…
…1100001010111111
312021221102212120021
41322100030022333
513200033031021
6535305233011
7101553521626
oct17220141277
95257385507
102051064511
11962855141
12492a92767
13268c16152
1415658c6bd
15c00ecc41
hex7a40c2bf

2051064511 has 8 divisors (see below), whose sum is σ = 2069972784. Its totient is φ = 2032205760.

The previous prime is 2051064451. The next prime is 2051064529. The reversal of 2051064511 is 1154601502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2051064511 - 215 = 2051031743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051064551) 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, 73555 + ... + 97531.

It is an arithmetic number, because the mean of its divisors is an integer number (258746598).

Almost surely, 22051064511 is an apocalyptic number.

2051064511 is a deficient number, since it is larger than the sum of its proper divisors (18908273).

2051064511 is a wasteful number, since it uses less digits than its factorization.

2051064511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24761.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 2051064511 is about 45288.6797224207. The cubic root of 2051064511 is about 1270.5539384008.

The spelling of 2051064511 in words is "two billion, fifty-one million, sixty-four thousand, five hundred eleven".

Divisors: 1 131 653 23977 85543 3140987 15656981 2051064511