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1010800061 = 131258901
BaseRepresentation
bin111100001111111…
…001010110111101
32121102222222000022
4330033321112331
54032231100221
6244144541525
734022441645
oct7417712675
92542888008
101010800061
11479630057
122426218a5
1313154bc5b
149835d525
155db164ab
hex3c3f95bd

1010800061 has 6 divisors (see below), whose sum is σ = 1018592286. Its totient is φ = 1003067000.

The previous prime is 1010800051. The next prime is 1010800081. The reversal of 1010800061 is 1600080101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 619512100 + 391287961 = 24890^2 + 19781^2 .

It is not a de Polignac number, because 1010800061 - 26 = 1010799997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010800051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12290 + ... + 46611.

It is an arithmetic number, because the mean of its divisors is an integer number (169765381).

Almost surely, 21010800061 is an apocalyptic number.

It is an amenable number.

1010800061 is a deficient number, since it is larger than the sum of its proper divisors (7792225).

1010800061 is an frugal number, since it uses more digits than its factorization.

1010800061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59163 (or 59032 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1010800061 is about 31793.0819676231. The cubic root of 1010800061 is about 1003.5871373928.

Adding to 1010800061 its reverse (1600080101), we get a palindrome (2610880162).

The spelling of 1010800061 in words is "one billion, ten million, eight hundred thousand, sixty-one".

Divisors: 1 131 17161 58901 7716031 1010800061