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1345051001 = 72918136607
BaseRepresentation
bin101000000101011…
…1101100101111001
310110201221200002202
41100022331211321
510223313113001
6341245035545
745221513330
oct12012754571
93421850082
101345051001
116302787a8
12316555bb5
1318587c888
14ca8cad17
157d13d96b
hex502bd979

1345051001 has 16 divisors (see below), whose sum is σ = 1599037440. Its totient is φ = 1106965440.

The previous prime is 1345050997. The next prime is 1345051003. The reversal of 1345051001 is 1001505431.

It is not a de Polignac number, because 1345051001 - 22 = 1345050997 is a prime.

It is a super-2 number, since 2×13450510012 = 3618324390582204002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345051003) 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, 18440 + ... + 55046.

It is an arithmetic number, because the mean of its divisors is an integer number (99939840).

Almost surely, 21345051001 is an apocalyptic number.

It is an amenable number.

1345051001 is a deficient number, since it is larger than the sum of its proper divisors (253986439).

1345051001 is a wasteful number, since it uses less digits than its factorization.

1345051001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36824.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1345051001 is about 36674.9369597277. The cubic root of 1345051001 is about 1103.8572575132.

Adding to 1345051001 its reverse (1001505431), we get a palindrome (2346556432).

The spelling of 1345051001 in words is "one billion, three hundred forty-five million, fifty-one thousand, one".

Divisors: 1 7 29 181 203 1267 5249 36607 36743 256249 1061603 6625867 7431221 46381069 192150143 1345051001