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85715146346380 = 225179711839219529
BaseRepresentation
bin10011011111010100011100…
…110110011000111110001100
3102020111021202220222122221221
4103133110130312120332030
542213324104431041010
6502144554501133124
724024500142410335
oct2337243466307614
9366437686878857
1085715146346380
1125347653583531
1297442050ba1a4
1338a9b9932c345
1417248c707d28c
159d99aacd3dda
hex4df51cd98f8c

85715146346380 has 96 divisors (see below), whose sum is σ = 192572137497600. Its totient is φ = 31933716037632.

The previous prime is 85715146346369. The next prime is 85715146346393. The reversal of 85715146346380 is 8364364151758.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390340456 + ... + 390559984.

It is an arithmetic number, because the mean of its divisors is an integer number (2005959765600).

Almost surely, 285715146346380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85715146346380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96286068748800).

85715146346380 is an abundant number, since it is smaller than the sum of its proper divisors (106856991151220).

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

85715146346380 is a wasteful number, since it uses less digits than its factorization.

85715146346380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231491 (or 231489 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 85715146346380 in words is "eighty-five trillion, seven hundred fifteen billion, one hundred forty-six million, three hundred forty-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 97 170 194 340 388 485 970 1649 1940 3298 6596 8245 11839 16490 23678 32980 47356 59195 118390 201263 219529 236780 402526 439058 805052 878116 1006315 1097645 1148383 2012630 2195290 2296766 3731993 4025260 4390580 4593532 5741915 7463986 11483830 14927972 18659965 19522511 21294313 22967660 37319930 39045022 42588626 74639860 78090044 85177252 97612555 106471565 195225110 212943130 362003321 390450220 425886260 724006642 1448013284 1810016605 2599003831 3620033210 5198007662 7240066420 10396015324 12995019155 25990038310 44183065127 51980076620 88366130254 176732260508 220915325635 252103371607 441830651270 504206743214 883661302540 1008413486428 1260516858035 2521033716070 4285757317319 5042067432140 8571514634638 17143029269276 21428786586595 42857573173190 85715146346380