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380628810520 = 23571503190439
BaseRepresentation
bin1011000100111110011…
…11101011101100011000
31100101110200020222121121
411202133033223230120
522214011433414040
6450505232215024
736333223335640
oct5423717535430
91311420228547
10380628810520
11137473049aa2
126192799a474
1329b7c308a4a
14145cb603520
159d7ae8bc4a
hex589f3ebb18

380628810520 has 64 divisors (see below), whose sum is σ = 978835737600. Its totient is φ = 130491181440.

The previous prime is 380628810469. The next prime is 380628810533. The reversal of 380628810520 is 25018826083.

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, 4163461 + ... + 4253899.

It is an arithmetic number, because the mean of its divisors is an integer number (15294308400).

Almost surely, 2380628810520 is an apocalyptic number.

It is an amenable number.

380628810520 is an abundant number, since it is smaller than the sum of its proper divisors (598206927080).

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

380628810520 is a wasteful number, since it uses less digits than its factorization.

380628810520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105488 (or 105484 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 380628810520 in words is "three hundred eighty billion, six hundred twenty-eight million, eight hundred ten thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 15031 30062 60124 75155 90439 105217 120248 150310 180878 210434 300620 361756 420868 452195 526085 601240 633073 723512 841736 904390 1052170 1266146 1808780 2104340 2532292 3165365 3617560 4208680 5064584 6330730 12661460 25322920 1359388609 2718777218 5437554436 6796943045 9515720263 10875108872 13593886090 19031440526 27187772180 38062881052 47578601315 54375544360 76125762104 95157202630 190314405260 380628810520