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6461470634 = 219997161561
BaseRepresentation
bin1100000010010001…
…00011011110101010
3121200022101201101012
412001020203132222
5101213114030014
62545055423522
7316056410543
oct60110433652
917608351335
106461470634
112816371583
121303b24ba2
137bc880808
144542154ca
1527c3dec3e
hex1812237aa

6461470634 has 8 divisors (see below), whose sum is σ = 9692750628. Its totient is φ = 3230553760.

The previous prime is 6461470633. The next prime is 6461470651. The reversal of 6461470634 is 4360741646.

It can be written as a sum of positive squares in 2 ways, for example, as 6006715009 + 454755625 = 77503^2 + 21325^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6461470591 and 6461470600.

It is not an unprimeable number, because it can be changed into a prime (6461470633) 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, 40787 + ... + 120774.

Almost surely, 26461470634 is an apocalyptic number.

6461470634 is a deficient number, since it is larger than the sum of its proper divisors (3231279994).

6461470634 is a wasteful number, since it uses less digits than its factorization.

6461470634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181560.

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 6461470634 is about 80383.2733471336. The cubic root of 6461470634 is about 1862.5607994446.

The spelling of 6461470634 in words is "six billion, four hundred sixty-one million, four hundred seventy thousand, six hundred thirty-four".

Divisors: 1 2 19997 39994 161561 323122 3230735317 6461470634