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60471001680 = 2435416145427
BaseRepresentation
bin111000010100010110…
…100100001001010000
312210002022212011120220
4320110112210021100
51442321034023210
643440251233040
74240346014305
oct702426441120
9183068764526
1060471001680
1123711338651
12b877748780
1359191cb1cb
142cd925b0ac
15188dc8dc70
hexe145a4250

60471001680 has 80 divisors (see below), whose sum is σ = 192032334144. Its totient is φ = 15732290560.

The previous prime is 60471001651. The next prime is 60471001687. The reversal of 60471001680 is 8610017406.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60471001687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3062874 + ... + 3082553.

Almost surely, 260471001680 is an apocalyptic number.

60471001680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60471001680 is an abundant number, since it is smaller than the sum of its proper divisors (131561332464).

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

60471001680 is a wasteful number, since it uses less digits than its factorization.

60471001680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145484 (or 6145478 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 60471001680 in words is "sixty billion, four hundred seventy-one million, one thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 41 48 60 80 82 120 123 164 205 240 246 328 410 492 615 656 820 984 1230 1640 1968 2460 3280 4920 9840 6145427 12290854 18436281 24581708 30727135 36872562 49163416 61454270 73745124 92181405 98326832 122908540 147490248 184362810 245817080 251962507 294980496 368725620 491634160 503925014 737451240 755887521 1007850028 1259812535 1474902480 1511775042 2015700056 2519625070 3023550084 3779437605 4031400112 5039250140 6047100168 7558875210 10078500280 12094200336 15117750420 20157000560 30235500840 60471001680