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34212578708 = 227211100915727
BaseRepresentation
bin11111110111001110…
…101000010110010100
310021022100000001222202
4133313032220112110
51030031410004313
623414514144032
72320551056300
oct376716502624
9107270001882
1034212578708
1113567121840
126769882018
1332c3056319
141927ad6d00
15d53890558
hex7f73a8594

34212578708 has 72 divisors (see below), whose sum is σ = 76058720640. Its totient is φ = 13315518720.

The previous prime is 34212578633. The next prime is 34212578711. The reversal of 34212578708 is 80787521243.

It is a congruent number.

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, 2167541 + ... + 2183267.

It is an arithmetic number, because the mean of its divisors is an integer number (1056371120).

Almost surely, 234212578708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34212578708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38029360320).

34212578708 is an abundant number, since it is smaller than the sum of its proper divisors (41846141932).

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

34212578708 is a wasteful number, since it uses less digits than its factorization.

34212578708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16765 (or 16756 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 34212578708 in words is "thirty-four billion, two hundred twelve million, five hundred seventy-eight thousand, seven hundred eight".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1009 1078 2018 2156 4036 7063 11099 14126 15727 22198 28252 31454 44396 49441 62908 77693 98882 110089 155386 172997 197764 220178 310772 345994 440356 543851 691988 770623 1087702 1210979 1541246 2175404 2421958 3082492 4843916 8476853 15868543 16953706 31737086 33907412 63474172 111079801 174553973 222159602 349107946 444319204 698215892 777558607 1221877811 1555117214 2443755622 3110234428 4887511244 8553144677 17106289354 34212578708