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742686421080 = 233523269089283
BaseRepresentation
bin10101100111010111000…
…11110111000001011000
32122000000002112021011110
422303223203313001120
544132010210433310
61325104015300320
7104441314263522
oct12635343670130
92560002467143
10742686421080
11266a7613964a
12bbb3021a6a0
135505bc60376
1427d365aca12
15144bb840d20
hexaceb8f7058

742686421080 has 64 divisors (see below), whose sum is σ = 2324931413760. Its totient is φ = 189438854528.

The previous prime is 742686421049. The next prime is 742686421093. The reversal of 742686421080 is 80124686247.

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, 134541882 + ... + 134547401.

It is an arithmetic number, because the mean of its divisors is an integer number (36327053340).

Almost surely, 2742686421080 is an apocalyptic number.

It is an amenable number.

742686421080 is an abundant number, since it is smaller than the sum of its proper divisors (1582244992680).

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

742686421080 is a wasteful number, since it uses less digits than its factorization.

742686421080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269089320 (or 269089316 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 742686421080 in words is "seven hundred forty-two billion, six hundred eighty-six million, four hundred twenty-one thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 60 69 92 115 120 138 184 230 276 345 460 552 690 920 1380 2760 269089283 538178566 807267849 1076357132 1345446415 1614535698 2152714264 2690892830 3229071396 4036339245 5381785660 6189053509 6458142792 8072678490 10763571320 12378107018 16145356980 18567160527 24756214036 30945267545 32290713960 37134321054 49512428072 61890535090 74268642108 92835802635 123781070180 148537284216 185671605270 247562140360 371343210540 742686421080