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85086702390 = 2354760345179
BaseRepresentation
bin100111100111110010…
…0000000101100110110
322010121211122022212210
41033033210000230312
52343224143434030
6103031023154250
76101346015504
oct1171744005466
9263554568783
1085086702390
11330a3252958
12145a7445986
13803cc2c6a1
144192569674
15232ed4ebb0
hex13cf900b36

85086702390 has 32 divisors (see below), whose sum is σ = 208552942080. Its totient is φ = 22207025504.

The previous prime is 85086702377. The next prime is 85086702427. The reversal of 85086702390 is 9320768058.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30171180 + ... + 30173999.

It is an arithmetic number, because the mean of its divisors is an integer number (6517279440).

Almost surely, 285086702390 is an apocalyptic number.

85086702390 is an abundant number, since it is smaller than the sum of its proper divisors (123466239690).

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

85086702390 is a wasteful number, since it uses less digits than its factorization.

85086702390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60345236.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 85086702390 in words is "eighty-five billion, eighty-six million, seven hundred two thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 60345179 120690358 181035537 301725895 362071074 603451790 905177685 1810355370 2836223413 5672446826 8508670239 14181117065 17017340478 28362234130 42543351195 85086702390