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68028386502 = 2323593480569
BaseRepresentation
bin111111010110110011…
…101100110011000110
320111121000102002121110
4333112303230303012
52103310231332002
651130220225450
74625543513226
oct772663546306
9214530362543
1068028386502
112693a28372a
121122669b286
136551b2ba4b
143414c2a086
151b824a8e6c
hexfd6ceccc6

68028386502 has 16 divisors (see below), whose sum is σ = 136062822960. Its totient is φ = 22675120512.

The previous prime is 68028386483. The next prime is 68028386527. The reversal of 68028386502 is 20568382086.

It is a super-2 number, since 2×680283865022 (a number of 22 digits) contains 22 as substring.

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, 98727 + ... + 381842.

It is an arithmetic number, because the mean of its divisors is an integer number (8503926435).

Almost surely, 268028386502 is an apocalyptic number.

68028386502 is an abundant number, since it is smaller than the sum of its proper divisors (68034436458).

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

68028386502 is a wasteful number, since it uses less digits than its factorization.

68028386502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504167.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 68028386502 in words is "sixty-eight billion, twenty-eight million, three hundred eighty-six thousand, five hundred two".

Divisors: 1 2 3 6 23593 47186 70779 141558 480569 961138 1441707 2883414 11338064417 22676128834 34014193251 68028386502