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76999103341680 = 243513312107240007
BaseRepresentation
bin10001100000011111000000…
…001100111110010001110000
3101002122001010220100210012110
4101200133000030332101300
540043023130423413210
6431432522202325320
722135000363313112
oct2140370014762160
9332561126323173
1076999103341680
1122597155523833
128776b37ab9840
1333c6ca4638980
141502ac29713b2
158d7dcb628420
hex4607c033e470

76999103341680 has 480 divisors, whose sum is σ = 268101777388032. Its totient is φ = 18170719856640.

The previous prime is 76999103341621. The next prime is 76999103341697. The reversal of 76999103341680 is 8614330199967.

It is a happy number.

It is a super-2 number, since 2×769991033416802 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 320700237 + ... + 320940243.

Almost surely, 276999103341680 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 76999103341680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134050888694016).

76999103341680 is an abundant number, since it is smaller than the sum of its proper divisors (191102674046352).

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

76999103341680 is a wasteful number, since it uses less digits than its factorization.

76999103341680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240205 (or 240168 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 66.

The spelling of 76999103341680 in words is "seventy-six trillion, nine hundred ninety-nine billion, one hundred three million, three hundred forty-one thousand, six hundred eighty".