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13857839859740 = 2254130895470963
BaseRepresentation
bin1100100110101000011110…
…0111110100100000011100
31211001210111200112120122112
43021222013213310200130
53304021324001002430
645250112001533152
72630124122164202
oct311520747644034
954053450476575
1013857839859740
114463093367168
1216798aa6441b8
13796a339a8366
1435ca19dbb072
1519071a735195
hexc9a879f481c

13857839859740 has 48 divisors (see below), whose sum is σ = 29820911732640. Its totient is φ = 5406185809920.

The previous prime is 13857839859727. The next prime is 13857839859757. The reversal of 13857839859740 is 4795893875831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202502 + ... + 5268461.

It is an arithmetic number, because the mean of its divisors is an integer number (621268994430).

Almost surely, 213857839859740 is an apocalyptic number.

13857839859740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13857839859740 is an abundant number, since it is smaller than the sum of its proper divisors (15963071872900).

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

13857839859740 is a wasteful number, since it uses less digits than its factorization.

13857839859740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474102 (or 5474100 counting only the distinct ones).

The product of its (nonzero) digits is 1828915200, while the sum is 77.

The spelling of 13857839859740 in words is "thirteen trillion, eight hundred fifty-seven billion, eight hundred thirty-nine million, eight hundred fifty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 3089 6178 12356 15445 30890 61780 126649 253298 506596 633245 1266490 2532980 5470963 10941926 21883852 27354815 54709630 109419260 224309483 448618966 897237932 1121547415 2243094830 4486189660 16899804707 33799609414 67599218828 84499023535 168998047070 337996094140 692891992987 1385783985974 2771567971948 3464459964935 6928919929870 13857839859740