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68282004100 = 22525312883397
BaseRepresentation
bin111111100101111011…
…001011001010000100
320112020200122012112211
4333211323023022010
52104320143112400
651211320153204
74635043313152
oct774573131204
9215220565484
1068282004100
1126a5a458352
1211297608804
136592539c2b
14343a7a83d2
151b998a4dba
hexfe5ecb284

68282004100 has 36 divisors (see below), whose sum is σ = 150967657764. Its totient is φ = 26797463680.

The previous prime is 68282004079. The next prime is 68282004121. The reversal of 68282004100 is 140028286.

It is an interprime number because it is at equal distance from previous prime (68282004079) and next prime (68282004121).

It can be written as a sum of positive squares in 6 ways, for example, as 1510410496 + 66771593604 = 38864^2 + 258402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6436399 + ... + 6446998.

It is an arithmetic number, because the mean of its divisors is an integer number (4193546049).

Almost surely, 268282004100 is an apocalyptic number.

It is an amenable number.

68282004100 is an abundant number, since it is smaller than the sum of its proper divisors (82685653664).

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

68282004100 is a wasteful number, since it uses less digits than its factorization.

68282004100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12883464 (or 12883457 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The spelling of 68282004100 in words is "sixty-eight billion, two hundred eighty-two million, four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 212 265 530 1060 1325 2650 5300 12883397 25766794 51533588 64416985 128833970 257667940 322084925 644169850 682820041 1288339700 1365640082 2731280164 3414100205 6828200410 13656400820 17070501025 34141002050 68282004100