Search a number
-
+
1600000051 = 131923112803
BaseRepresentation
bin101111101011110…
…0001000000110011
311010111200102110011
41133113201000303
511234100000201
6422433315351
754435530116
oct13727410063
94114612404
101600000051
117511817a1
12387a05b57
131c6635ac0
141126d457d
15956ee151
hex5f5e1033

1600000051 has 16 divisors (see below), whose sum is σ = 1815197440. Its totient is φ = 1398085920.

The previous prime is 1600000021. The next prime is 1600000069. The reversal of 1600000051 is 1500000061.

It is a cyclic number.

It is not a de Polignac number, because 1600000051 - 25 = 1600000019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1599999977 and 1600000040.

It is not an unprimeable number, because it can be changed into a prime (1600000021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569416 + ... + 572218.

It is an arithmetic number, because the mean of its divisors is an integer number (113449840).

Almost surely, 21600000051 is an apocalyptic number.

1600000051 is a deficient number, since it is larger than the sum of its proper divisors (215197389).

1600000051 is a wasteful number, since it uses less digits than its factorization.

1600000051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1600000051 is about 40000.0006375000. Note that the first 3 decimals coincide. The cubic root of 1600000051 is about 1169.6071077122.

The spelling of 1600000051 in words is "one billion, six hundred million, fifty-one", and thus it is an aban number.

Divisors: 1 13 19 247 2311 2803 30043 36439 43909 53257 570817 692341 6477733 84210529 123076927 1600000051