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1007130605 = 51315494317
BaseRepresentation
bin111100000001111…
…001011111101101
32121012002112110112
4330001321133231
54030311134410
6243534145405
733646316555
oct7401713755
92535075415
101007130605
11477554148
12241352265
13130865990
1497a86165
155d63e105
hex3c0797ed

1007130605 has 8 divisors (see below), whose sum is σ = 1301522712. Its totient is φ = 743727168.

The previous prime is 1007130583. The next prime is 1007130611. The reversal of 1007130605 is 5060317001.

It can be written as a sum of positive squares in 4 ways, for example, as 28879876 + 978250729 = 5374^2 + 31277^2 .

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 1007130605 - 218 = 1006868461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7747094 + ... + 7747223.

It is an arithmetic number, because the mean of its divisors is an integer number (162690339).

Almost surely, 21007130605 is an apocalyptic number.

It is an amenable number.

1007130605 is a deficient number, since it is larger than the sum of its proper divisors (294392107).

1007130605 is a wasteful number, since it uses less digits than its factorization.

1007130605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15494335.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1007130605 is about 31735.3210949566. The cubic root of 1007130605 is about 1002.3712411046.

Adding to 1007130605 its reverse (5060317001), we get a palindrome (6067447606).

The spelling of 1007130605 in words is "one billion, seven million, one hundred thirty thousand, six hundred five".

Divisors: 1 5 13 65 15494317 77471585 201426121 1007130605