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67389861700 = 2252731964719
BaseRepresentation
bin111110110000101111…
…111010111101000100
320102221111220200020201
4332300233322331010
52101003301033300
650543010340244
74603661242000
oct766057727504
9212844820221
1067389861700
1126641902587
121108888a684
13647c764c15
1433940d5700
151b463cb66a
hexfb0bfaf44

67389861700 has 72 divisors (see below), whose sum is σ = 170537696000. Its totient is φ = 23105083680.

The previous prime is 67389861697. The next prime is 67389861727. The reversal of 67389861700 is 716898376.

It is a super-3 number, since 3×673898617003 (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 948060 + ... + 1016659.

Almost surely, 267389861700 is an apocalyptic number.

It is an amenable number.

67389861700 is an abundant number, since it is smaller than the sum of its proper divisors (103147834300).

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

67389861700 is a wasteful number, since it uses less digits than its factorization.

67389861700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964754 (or 1964733 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 67389861700 in words is "sixty-seven billion, three hundred eighty-nine million, eight hundred sixty-one thousand, seven hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 140 175 196 245 343 350 490 686 700 980 1225 1372 1715 2450 3430 4900 6860 8575 17150 34300 1964719 3929438 7858876 9823595 13753033 19647190 27506066 39294380 49117975 55012132 68765165 96271231 98235950 137530330 192542462 196471900 275060660 343825825 385084924 481356155 673898617 687651650 962712310 1347797234 1375303300 1925424620 2406780775 2695594468 3369493085 4813561550 6738986170 9627123100 13477972340 16847465425 33694930850 67389861700