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6456256051 = 72980939313
BaseRepresentation
bin1100000001101001…
…01010011000110011
3121122221120210022111
412000310222120303
5101210300143201
62544351550151
7315664161640
oct60064523063
917587523274
106456256051
11281342a803
12130222b357
137bb77616b
14453658dc7
1527bc0eb51
hex180d2a633

6456256051 has 16 divisors (see below), whose sum is σ = 7642641600. Its totient is φ = 5336368128.

The previous prime is 6456255983. The next prime is 6456256091. The reversal of 6456256051 is 1506526546.

It is not a de Polignac number, because 6456256051 - 211 = 6456254003 is a prime.

It is a super-2 number, since 2×64562560512 = 83366484392148229202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6456255995 and 6456256013.

It is not an unprimeable number, because it can be changed into a prime (6456256091) 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, 144571 + ... + 183883.

It is an arithmetic number, because the mean of its divisors is an integer number (477665100).

Almost surely, 26456256051 is an apocalyptic number.

6456256051 is a deficient number, since it is larger than the sum of its proper divisors (1186385549).

6456256051 is a wasteful number, since it uses less digits than its factorization.

6456256051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40158.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 6456256051 is about 80350.8310535741. The cubic root of 6456256051 is about 1862.0596188131.

The spelling of 6456256051 in words is "six billion, four hundred fifty-six million, two hundred fifty-six thousand, fifty-one".

Divisors: 1 7 29 203 809 5663 23461 39313 164227 275191 1140077 7980539 31804217 222629519 922322293 6456256051