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1000500061 = 11155358567
BaseRepresentation
bin111011101000100…
…110101101011101
32120201121200001211
4323220212231131
54022112000221
6243140104421
733536052541
oct7350465535
92521550054
101000500061
11473835560
1223b095111
1312c383992
1496c3ba21
155cc7e6e1
hex3ba26b5d

1000500061 has 8 divisors (see below), whose sum is σ = 1092176064. Its totient is φ = 908944320.

The previous prime is 1000500047. The next prime is 1000500077. The reversal of 1000500061 is 1600050001.

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 1000500061 - 27 = 1000499933 is a prime.

It is a super-2 number, since 2×10005000612 = 2002000744122007442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000500661) 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, 12201 + ... + 46366.

It is an arithmetic number, because the mean of its divisors is an integer number (136522008).

Almost surely, 21000500061 is an apocalyptic number.

1000500061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000500061 is a deficient number, since it is larger than the sum of its proper divisors (91676003).

1000500061 is a wasteful number, since it uses less digits than its factorization.

1000500061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60131.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1000500061 is about 31630.6822721231. The cubic root of 1000500061 is about 1000.1666592232.

Adding to 1000500061 its reverse (1600050001), we get a palindrome (2600550062).

The spelling of 1000500061 in words is "one billion, five hundred thousand, sixty-one".

Divisors: 1 11 1553 17083 58567 644237 90954551 1000500061