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85394340160 = 2651744934961
BaseRepresentation
bin100111110000111100…
…1100011100101000000
322011102021111221120021
41033201321203211000
52344341422341120
6103121333023224
76112102625563
oct1174171434500
9264367457507
1085394340160
1133240973748
1214672484b14
13808b8a2a7c
1441c136a4da
15234bd6baaa
hex13e1e63940

85394340160 has 112 divisors (see below), whose sum is σ = 215792456400. Its totient is φ = 32075939840.

The previous prime is 85394340149. The next prime is 85394340167. The reversal of 85394340160 is 6104349358.

It can be written as a sum of positive squares in 8 ways, for example, as 592240896 + 84802099264 = 24336^2 + 291208^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85394340167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2425080 + ... + 2460040.

Almost surely, 285394340160 is an apocalyptic number.

85394340160 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 85394340160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107896228200).

85394340160 is an abundant number, since it is smaller than the sum of its proper divisors (130398116240).

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

85394340160 is a wasteful number, since it uses less digits than its factorization.

85394340160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35444 (or 35434 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 85394340160 in words is "eighty-five billion, three hundred ninety-four million, three hundred forty thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 136 160 170 272 320 340 449 544 680 898 1088 1360 1796 2245 2720 3592 4490 5440 7184 7633 8980 14368 15266 17960 28736 30532 34961 35920 38165 61064 69922 71840 76330 122128 139844 143680 152660 174805 244256 279688 305320 349610 488512 559376 594337 610640 699220 1118752 1188674 1221280 1398440 2237504 2377348 2442560 2796880 2971685 4754696 5593760 5943370 9509392 11187520 11886740 15697489 19018784 23773480 31394978 38037568 47546960 62789956 78487445 95093920 125579912 156974890 190187840 251159824 266857313 313949780 502319648 533714626 627899560 1004639296 1067429252 1255799120 1334286565 2134858504 2511598240 2668573130 4269717008 5023196480 5337146260 8539434016 10674292520 17078868032 21348585040 42697170080 85394340160