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85954200540 = 223513673163741
BaseRepresentation
bin101000000001101000…
…1010000001111011100
322012212021222210121220
41100003101100033130
52402013233404130
6103253052453340
76132011435565
oct1200321201734
9265767883556
1085954200540
11334a89a607a
12147a9a7a250
13814a8863c0
14423586516c
1523810ab410
hex14034503dc

85954200540 has 96 divisors (see below), whose sum is σ = 259571678016. Its totient is φ = 21126389760.

The previous prime is 85954200539. The next prime is 85954200569. The reversal of 85954200540 is 4500245958.

It is a junction number, because it is equal to n+sod(n) for n = 85954200492 and 85954200501.

It is a congruent number.

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, 443070 + ... + 606810.

It is an arithmetic number, because the mean of its divisors is an integer number (2703871646).

Almost surely, 285954200540 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 85954200540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129785839008).

85954200540 is an abundant number, since it is smaller than the sum of its proper divisors (173617477476).

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

85954200540 is a wasteful number, since it uses less digits than its factorization.

85954200540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164439 (or 164437 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 85954200540 in words is "eighty-five billion, nine hundred fifty-four million, two hundred thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 673 780 1346 2019 2692 3365 4038 6730 8076 8749 10095 13460 17498 20190 26247 34996 40380 43745 52494 87490 104988 131235 163741 174980 262470 327482 491223 524940 654964 818705 982446 1637410 1964892 2128633 2456115 3274820 4257266 4912230 6385899 8514532 9824460 10643165 12771798 21286330 25543596 31929495 42572660 63858990 110197693 127717980 220395386 330593079 440790772 550988465 661186158 1101976930 1322372316 1432570009 1652965395 2203953860 2865140018 3305930790 4297710027 5730280036 6611861580 7162850045 8595420054 14325700090 17190840108 21488550135 28651400180 42977100270 85954200540