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28492651282668 = 22310323052306863
BaseRepresentation
bin1100111101001111101100…
…10110111100000011101100
310201212212111212011002201120
412132213312112330003230
512213310422212021133
6140333202052540540
76000345313605606
oct636476626740354
9121785455132646
1028492651282668
119095735935661
123242097321750
1312b8acb6c55c1
147070a1b4c176
1534625c6d1ab3
hex19e9f65bc0ec

28492651282668 has 24 divisors (see below), whose sum is σ = 67128317587968. Its totient is φ = 9405341199696.

The previous prime is 28492651282663. The next prime is 28492651282673. The reversal of 28492651282668 is 86628215629482.

It is an interprime number because it is at equal distance from previous prime (28492651282663) and next prime (28492651282673).

It is not an unprimeable number, because it can be changed into a prime (28492651282661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11526152196 + ... + 11526154667.

It is an arithmetic number, because the mean of its divisors is an integer number (2797013232832).

Almost surely, 228492651282668 is an apocalyptic number.

It is an amenable number.

28492651282668 is an abundant number, since it is smaller than the sum of its proper divisors (38635666305300).

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

28492651282668 is a wasteful number, since it uses less digits than its factorization.

28492651282668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23052306973 (or 23052306971 counting only the distinct ones).

The product of its digits is 318504960, while the sum is 69.

The spelling of 28492651282668 in words is "twenty-eight trillion, four hundred ninety-two billion, six hundred fifty-one million, two hundred eighty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 1236 23052306863 46104613726 69156920589 92209227452 138313841178 276627682356 2374387606889 4748775213778 7123162820667 9497550427556 14246325641334 28492651282668