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61030386330 = 2354347310377
BaseRepresentation
bin111000110101101100…
…011100101010011010
312211112022102212001220
4320311230130222122
51444442234330310
644011552552510
74260250503324
oct706554345232
9184468385056
1061030386330
1123979075611
12b9b2b52736
1359a8076144
142d4d670614
1518c2e37670
hexe35b1ca9a

61030386330 has 32 divisors (see below), whose sum is σ = 149879277504. Its totient is φ = 15896286336.

The previous prime is 61030386323. The next prime is 61030386331. The reversal of 61030386330 is 3368303016.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61030386291 and 61030386300.

It is not an unprimeable number, because it can be changed into a prime (61030386331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23653899 + ... + 23656478.

It is an arithmetic number, because the mean of its divisors is an integer number (4683727422).

Almost surely, 261030386330 is an apocalyptic number.

61030386330 is an abundant number, since it is smaller than the sum of its proper divisors (88848891174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61030386330 is a wasteful number, since it uses less digits than its factorization.

61030386330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47310430.

The product of its (nonzero) digits is 23328, while the sum is 33.

Adding to 61030386330 its reverse (3368303016), we get a palindrome (64398689346).

The spelling of 61030386330 in words is "sixty-one billion, thirty million, three hundred eighty-six thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 47310377 94620754 141931131 236551885 283862262 473103770 709655655 1419311310 2034346211 4068692422 6103038633 10171731055 12206077266 20343462110 30515193165 61030386330