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10661032330 = 251382007941
BaseRepresentation
bin10011110110111001…
…00111000110001010
31000111222121120000021
421323130213012022
5133313211013310
64521514531054
7525122164624
oct117334470612
930458546007
1010661032330
114580969423
122096436a8a
13100b934b70
14731c75c14
15425e345da
hex27b72718a

10661032330 has 16 divisors (see below), whose sum is σ = 20666001384. Its totient is φ = 3936381120.

The previous prime is 10661032303. The next prime is 10661032337. The reversal of 10661032330 is 3323016601.

It can be written as a sum of positive squares in 4 ways, for example, as 6810705729 + 3850326601 = 82527^2 + 62051^2 .

It is a super-2 number, since 2×106610323302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10661032295 and 10661032304.

It is not an unprimeable number, because it can be changed into a prime (10661032337) 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, 41003841 + ... + 41004100.

Almost surely, 210661032330 is an apocalyptic number.

10661032330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10661032330 is a deficient number, since it is larger than the sum of its proper divisors (10004969054).

10661032330 is a wasteful number, since it uses less digits than its factorization.

10661032330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82007961.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 10661032330 its reverse (3323016601), we get a palindrome (13984048931).

The spelling of 10661032330 in words is "ten billion, six hundred sixty-one million, thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 82007941 164015882 410039705 820079410 1066103233 2132206466 5330516165 10661032330