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68757520848 = 2432336147847
BaseRepresentation
bin100000000001001000…
…1001000000111010000
320120110211101221220020
41000002101020013100
52111303411131343
651330424143440
74652606166312
oct1000221100720
9216424357806
1068757520848
11271839120a5
12113aa907b80
136639bcc0a3
1434839c97b2
151bc64d3b83
hex10024481d0

68757520848 has 40 divisors (see below), whose sum is σ = 178385957568. Its totient is φ = 22820804352.

The previous prime is 68757520759. The next prime is 68757520861. The reversal of 68757520848 is 84802575786.

It is a junction number, because it is equal to n+sod(n) for n = 68757520791 and 68757520800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3062740 + ... + 3085107.

Almost surely, 268757520848 is an apocalyptic number.

It is an amenable number.

68757520848 is an abundant number, since it is smaller than the sum of its proper divisors (109628436720).

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

68757520848 is a wasteful number, since it uses less digits than its factorization.

68757520848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148091 (or 6148085 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 60.

The spelling of 68757520848 in words is "sixty-eight billion, seven hundred fifty-seven million, five hundred twenty thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 233 466 699 932 1398 1864 2796 3728 5592 11184 6147847 12295694 18443541 24591388 36887082 49182776 73774164 98365552 147548328 295096656 1432448351 2864896702 4297345053 5729793404 8594690106 11459586808 17189380212 22919173616 34378760424 68757520848