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86234890240 = 2265257
BaseRepresentation
bin101000001010000000…
…0000000000000000000
322020120212011022111201
41100110000000000000
52403102112441430
6103341000550544
76141660321112
oct1202400000000
9266525138451
1086234890240
1133632390434
1214867a82454
138193a82995
144260c4d3b2
15239aa538ca
hex1414000000

86234890240 has 108 divisors (see below), whose sum is σ = 207769041396. Its totient is φ = 34359738368.

The previous prime is 86234890237. The next prime is 86234890241. The reversal of 86234890240 is 4209843268.

It can be written as a sum of positive squares in 2 ways, for example, as 64491618304 + 21743271936 = 253952^2 + 147456^2 .

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86234890241) by changing a digit.

In principle, a polygon with 86234890240 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335544192 + ... + 335544448.

Almost surely, 286234890240 is an apocalyptic number.

86234890240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86234890240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103884520698).

86234890240 is an abundant number, since it is smaller than the sum of its proper divisors (121534151156).

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

86234890240 is an frugal number, since it uses more digits than its factorization.

86234890240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 86234890240 in words is "eighty-six billion, two hundred thirty-four million, eight hundred ninety thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 257 320 512 514 640 1024 1028 1280 1285 2048 2056 2560 2570 4096 4112 5120 5140 8192 8224 10240 10280 16384 16448 20480 20560 32768 32896 40960 41120 65536 65792 81920 82240 131072 131584 163840 164480 262144 263168 327680 328960 524288 526336 655360 657920 1048576 1052672 1310720 1315840 2097152 2105344 2621440 2631680 4194304 4210688 5242880 5263360 8388608 8421376 10485760 10526720 16777216 16842752 20971520 21053440 33554432 33685504 41943040 42106880 67108864 67371008 83886080 84213760 134742016 167772160 168427520 269484032 335544320 336855040 538968064 673710080 1077936128 1347420160 2155872256 2694840320 4311744512 5389680640 8623489024 10779361280 17246978048 21558722560 43117445120 86234890240