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1630040411 = 15750320641
BaseRepresentation
bin110000100101000…
…0111000101011011
311012121012122002002
41201022013011123
511314242243121
6425425231215
755252054256
oct14112070533
94177178062
101630040411
1176712a53a
12395a9250b
131cc92326c
141166b409d
1598184e0b
hex6128715b

1630040411 has 8 divisors (see below), whose sum is σ = 1643763744. Its totient is φ = 1616359680.

The previous prime is 1630040369. The next prime is 1630040437. The reversal of 1630040411 is 1140400361.

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 1630040411 - 210 = 1630039387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630040911) 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, 68651 + ... + 89291.

It is an arithmetic number, because the mean of its divisors is an integer number (205470468).

Almost surely, 21630040411 is an apocalyptic number.

1630040411 is a deficient number, since it is larger than the sum of its proper divisors (13723333).

1630040411 is a wasteful number, since it uses less digits than its factorization.

1630040411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21301.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1630040411 is about 40373.7589406783. The cubic root of 1630040411 is about 1176.8816474984.

Adding to 1630040411 its reverse (1140400361), we get a palindrome (2770440772).

The spelling of 1630040411 in words is "one billion, six hundred thirty million, forty thousand, four hundred eleven".

Divisors: 1 157 503 20641 78971 3240637 10382423 1630040411