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85387935633 = 37111322187247
BaseRepresentation
bin100111110000110000…
…1000111111110010001
322011101211110120012120
41033201201013332101
52344333302420013
6103120543444453
76111664322520
oct1174141077621
9264354416176
1085387935633
1133238299950
12146702b6729
13808a46c900
1441c05804b7
15234b504123
hex13e1847f91

85387935633 has 48 divisors (see below), whose sum is σ = 153702291456. Its totient is φ = 40945245120.

The previous prime is 85387935613. The next prime is 85387935649. The reversal of 85387935633 is 33653978358.

It is not a de Polignac number, because 85387935633 - 25 = 85387935601 is a prime.

It is a super-2 number, since 2×853879356332 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85387935613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1054585 + ... + 1132662.

It is an arithmetic number, because the mean of its divisors is an integer number (3202131072).

Almost surely, 285387935633 is an apocalyptic number.

It is an amenable number.

85387935633 is a deficient number, since it is larger than the sum of its proper divisors (68314355823).

85387935633 is a wasteful number, since it uses less digits than its factorization.

85387935633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187294 (or 2187281 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 60.

The spelling of 85387935633 in words is "eighty-five billion, three hundred eighty-seven million, nine hundred thirty-five thousand, six hundred thirty-three".

Divisors: 1 3 7 11 13 21 33 39 77 91 143 169 231 273 429 507 1001 1183 1859 3003 3549 5577 13013 39039 2187247 6561741 15310729 24059717 28434211 45932187 72179151 85302633 168418019 199039477 312776321 369644743 505254057 597118431 938328963 1108934229 2189434247 2587513201 4066092173 6568302741 7762539603 12198276519 28462645211 85387935633