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85337180742 = 231131108738371
BaseRepresentation
bin100111101111001111…
…1100000101001000110
322011021021221221120210
41033132133200221012
52344232304240432
6103111531540250
76110510032212
oct1173637405106
9264237857523
1085337180742
1133211682a60
12146572ba686
13807caaba28
1441b792b942
152346d2a8cc
hex13de7e0a46

85337180742 has 64 divisors (see below), whose sum is σ = 192378175488. Its totient is φ = 25001892000.

The previous prime is 85337180729. The next prime is 85337180777. The reversal of 85337180742 is 24708173358.

It is a junction number, because it is equal to n+sod(n) for n = 85337180691 and 85337180700.

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, 2204817 + ... + 2243187.

It is an arithmetic number, because the mean of its divisors is an integer number (3005908992).

Almost surely, 285337180742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85337180742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96189087744).

85337180742 is an abundant number, since it is smaller than the sum of its proper divisors (107040994746).

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

85337180742 is a wasteful number, since it uses less digits than its factorization.

85337180742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39505.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 85337180742 in words is "eighty-five billion, three hundred thirty-seven million, one hundred eighty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 186 341 682 1023 1087 2046 2174 3261 6522 11957 23914 33697 35871 38371 67394 71742 76742 101091 115113 202182 230226 370667 422081 741334 844162 1112001 1189501 1266243 2224002 2379002 2532486 3568503 7137006 13084511 26169022 39253533 41709277 78507066 83418554 125127831 250255662 458802047 917604094 1292987587 1376406141 2585975174 2752812282 3878962761 7757925522 14222863457 28445726914 42668590371 85337180742