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109393939120 = 2456720409317
BaseRepresentation
bin110010111100001100…
…0110000101010110000
3101110100211222220010211
41211320120300222300
53243014322022440
6122131015433504
710621612066054
oct1457030605260
9343324886124
10109393939120
1142437032654
121924b985894
13a414a8b6bb
14541a8ddc64
152ca3ccdeea
hex1978630ab0

109393939120 has 40 divisors (see below), whose sum is σ = 258137054064. Its totient is φ = 43104475392.

The previous prime is 109393939063. The next prime is 109393939121. The reversal of 109393939120 is 21939393901.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (109393939121) 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, 10199299 + ... + 10210018.

Almost surely, 2109393939120 is an apocalyptic number.

109393939120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109393939120 is an abundant number, since it is smaller than the sum of its proper divisors (148743114944).

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

109393939120 is a wasteful number, since it uses less digits than its factorization.

109393939120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20409397 (or 20409391 counting only the distinct ones).

The product of its (nonzero) digits is 354294, while the sum is 49.

The spelling of 109393939120 in words is "one hundred nine billion, three hundred ninety-three million, nine hundred thirty-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1072 1340 2680 5360 20409317 40818634 81637268 102046585 163274536 204093170 326549072 408186340 816372680 1367424239 1632745360 2734848478 5469696956 6837121195 10939393912 13674242390 21878787824 27348484780 54696969560 109393939120