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13705670580 = 2235732632549
BaseRepresentation
bin11001100001110101…
…11110111110110100
31022101011122012111220
430300322332332310
5211032122424310
610144000030340
7663432164160
oct146072767664
938334565456
1013705670580
1158a3548188
1227a60023b0
1313a5648164
1494037bca0
15553394670
hex330ebefb4

13705670580 has 48 divisors (see below), whose sum is σ = 43858147200. Its totient is φ = 3132724608.

The previous prime is 13705670569. The next prime is 13705670603. The reversal of 13705670580 is 8507650731.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 16315855 + ... + 16316694.

It is an arithmetic number, because the mean of its divisors is an integer number (913711400).

Almost surely, 213705670580 is an apocalyptic number.

13705670580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13705670580 is an abundant number, since it is smaller than the sum of its proper divisors (30152476620).

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

13705670580 is a wasteful number, since it uses less digits than its factorization.

13705670580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32632568 (or 32632566 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 13705670580 in words is "thirteen billion, seven hundred five million, six hundred seventy thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 32632549 65265098 97897647 130530196 163162745 195795294 228427843 326325490 391590588 456855686 489488235 652650980 685283529 913711372 978976470 1142139215 1370567058 1957952940 2284278430 2741134116 3426417645 4568556860 6852835290 13705670580