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1345064061 = 31167773787
BaseRepresentation
bin101000000101100…
…0000110001111101
310110201222100000110
41100023000301331
510223314022221
6341245220233
745221566365
oct12013006175
93421870013
101345064061
116302875a0
12316561679
131858857c3
14ca8d19a5
157d142776
hex502c0c7d

1345064061 has 32 divisors (see below), whose sum is σ = 1990752768. Its totient is φ = 800965440.

The previous prime is 1345064057. The next prime is 1345064069. The reversal of 1345064061 is 1604605431.

It is not a de Polignac number, because 1345064061 - 22 = 1345064057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345064069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1708710 + ... + 1709496.

It is an arithmetic number, because the mean of its divisors is an integer number (62211024).

Almost surely, 21345064061 is an apocalyptic number.

1345064061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1345064061 is a deficient number, since it is larger than the sum of its proper divisors (645688707).

1345064061 is a wasteful number, since it uses less digits than its factorization.

1345064061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1345064061 is about 36675.1150100446. The cubic root of 1345064061 is about 1103.8608301978.

Adding to 1345064061 its reverse (1604605431), we get a palindrome (2949669492).

The spelling of 1345064061 in words is "one billion, three hundred forty-five million, sixty-four thousand, sixty-one".

Divisors: 1 3 11 33 67 201 737 773 787 2211 2319 2361 8503 8657 25509 25971 51791 52729 155373 158187 569701 580019 608351 1709103 1740057 1825053 6691861 20075583 40759517 122278551 448354687 1345064061