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68201486800 = 2452170503717
BaseRepresentation
bin111111100001001000…
…000001100111010000
320112001002010111120121
4333201020001213100
52104134040034200
651155322320024
74633045033636
oct774110014720
9215032114517
1068201486800
1126a18a63527
1211274659014
13657b958265
14342dc09356
151b9279ce1a
hexfe12019d0

68201486800 has 30 divisors (see below), whose sum is σ = 163854072998. Its totient is φ = 27280594560.

The previous prime is 68201486783. The next prime is 68201486807. The reversal of 68201486800 is 868410286.

It can be written as a sum of positive squares in 3 ways, for example, as 12903142464 + 55298344336 = 113592^2 + 235156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68201486807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85251459 + ... + 85252258.

Almost surely, 268201486800 is an apocalyptic number.

It is an amenable number.

68201486800 is an abundant number, since it is smaller than the sum of its proper divisors (95652586198).

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

68201486800 is a wasteful number, since it uses less digits than its factorization.

68201486800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170503735 (or 170503724 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 68201486800 in words is "sixty-eight billion, two hundred one million, four hundred eighty-six thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 170503717 341007434 682014868 852518585 1364029736 1705037170 2728059472 3410074340 4262592925 6820148680 8525185850 13640297360 17050371700 34100743400 68201486800