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69961046089984 = 28721722321912
BaseRepresentation
bin11111110100001000100110…
…10011001110000100000000
3100011201012200120222002222121
433322010103103032010000
533132220210244334414
6404443354430014024
720510342640614200
oct1772042323160400
9304635616862877
1069961046089984
1120323349700a65
127a1ab04947314
1330063b55ab0ca
14133c1c01a2400
15814ca9c96724
hex3fa1134ce100

69961046089984 has 729 divisors, whose sum is σ = 181345048116141. Its totient is φ = 26851320545280.

The previous prime is 69961046089943. The next prime is 69961046090003. The reversal of 69961046089984 is 48998064016996.

The square root of 69961046089984 is 8364272.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 54467942457600 + 15493103632384 = 7380240^2 + 3936128^2 .

It is an unprimeable number.

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 80 ways as a sum of consecutive naturals, for example, 366288199329 + ... + 366288199519.

Almost surely, 269961046089984 is an apocalyptic number.

69961046089984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

69961046089984 is the 8364272-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69961046089984

69961046089984 is an abundant number, since it is smaller than the sum of its proper divisors (111384002026157).

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

69961046089984 is an equidigital number, since it uses as much as digits as its factorization.

69961046089984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 1451188224, while the sum is 79.

The spelling of 69961046089984 in words is "sixty-nine trillion, nine hundred sixty-one billion, forty-six million, eighty-nine thousand, nine hundred eighty-four".