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61074410496 = 21031123179439
BaseRepresentation
bin111000111000010100…
…011000110000000000
312211122101021111212120
4320320110120300000
52000040022113441
644020204324240
74261323631551
oct707024306000
9184571244776
1061074410496
11239a0a04620
12ba05843680
1359b421b548
142d55450328
1518c6c31966
hexe38518c00

61074410496 has 352 divisors, whose sum is σ = 186765004800. Its totient is φ = 17563729920.

The previous prime is 61074410489. The next prime is 61074410497. The reversal of 61074410496 is 69401447016.

It is a tau number, because it is divible by the number of its divisors (352).

It is not an unprimeable number, because it can be changed into a prime (61074410497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139121445 + ... + 139121883.

It is an arithmetic number, because the mean of its divisors is an integer number (530582400).

Almost surely, 261074410496 is an apocalyptic number.

61074410496 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61074410496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93382502400).

61074410496 is an abundant number, since it is smaller than the sum of its proper divisors (125690594304).

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

61074410496 is a wasteful number, since it uses less digits than its factorization.

61074410496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 61074410496 in words is "sixty-one billion, seventy-four million, four hundred ten thousand, four hundred ninety-six".