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61483602168 = 23325967216023
BaseRepresentation
bin111001010000101101…
…010101000011111000
312212200220020121022200
4321100231111003320
52001404300232133
644124542550200
74304422665312
oct712055250370
9185626217280
1061483602168
112409098835a
12baba898360
135a4ac2a7b1
142d939287b2
1518ecb0d913
hexe50b550f8

61483602168 has 96 divisors (see below), whose sum is σ = 171868694400. Its totient is φ = 19846373184.

The previous prime is 61483602161. The next prime is 61483602179. The reversal of 61483602168 is 86120638416.

61483602168 is a `hidden beast` number, since 6 + 1 + 483 + 6 + 0 + 2 + 168 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61483602161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176605 + ... + 392627.

It is an arithmetic number, because the mean of its divisors is an integer number (1790298900).

Almost surely, 261483602168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61483602168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85934347200).

61483602168 is an abundant number, since it is smaller than the sum of its proper divisors (110385092232).

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

61483602168 is a wasteful number, since it uses less digits than its factorization.

61483602168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216161 (or 216154 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 61483602168 in words is "sixty-one billion, four hundred eighty-three million, six hundred two thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 59 67 72 118 134 177 201 236 268 354 402 472 531 536 603 708 804 1062 1206 1416 1608 2124 2412 3953 4248 4824 7906 11859 15812 23718 31624 35577 47436 71154 94872 142308 216023 284616 432046 648069 864092 1296138 1728184 1944207 2592276 3888414 5184552 7776828 12745357 14473541 15553656 25490714 28947082 38236071 43420623 50981428 57894164 76472142 86841246 101962856 114708213 115788328 130261869 152944284 173682492 229416426 260523738 305888568 347364984 458832852 521047476 853938919 917665704 1042094952 1707877838 2561816757 3415755676 5123633514 6831511352 7685450271 10247267028 15370900542 20494534056 30741801084 61483602168