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85125710102140 = 2256742163129967
BaseRepresentation
bin10011010110101111011111…
…101101100011111001111100
3102011101221100002201000010001
4103112233133231203321330
542124144423241232030
6501014113352524044
723634062311120141
oct2326573755437174
9364357302630101
1085125710102140
112513a67a147aa4
129669b240b0624
1338664211079b6
14170416bb8c3c8
159c94ad582cca
hex4d6bdfb63e7c

85125710102140 has 24 divisors (see below), whose sum is σ = 178766645504832. Its totient is φ = 34049778461760.

The previous prime is 85125710102131. The next prime is 85125710102183. The reversal of 85125710102140 is 4120101752158.

It is a self number, because there is not a number n which added to its sum of digits gives 85125710102140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30216564 + ... + 32913403.

It is an arithmetic number, because the mean of its divisors is an integer number (7448610229368).

Almost surely, 285125710102140 is an apocalyptic number.

It is an amenable number.

85125710102140 is an abundant number, since it is smaller than the sum of its proper divisors (93640935402692).

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

85125710102140 is a wasteful number, since it uses less digits than its factorization.

85125710102140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63197397 (or 63197395 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 37.

Adding to 85125710102140 its reverse (4120101752158), we get a palindrome (89245811854298).

The spelling of 85125710102140 in words is "eighty-five trillion, one hundred twenty-five billion, seven hundred ten million, one hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 67421 134842 269684 337105 674210 1348420 63129967 126259934 252519868 315649835 631299670 1262599340 4256285505107 8512571010214 17025142020428 21281427525535 42562855051070 85125710102140