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85949660870 = 2522948777069
BaseRepresentation
bin101000000001011111…
…1111011111011000110
322012211222110011100222
41100002333323323012
52402011103121440
6103252411304342
76131625030443
oct1200277737306
9265758404328
1085949660870
11334a6385387
12147a844b0b2
138149956cc8
1442350029ca
1523809b12b5
hex1402ffbec6

85949660870 has 32 divisors (see below), whose sum is σ = 155706062400. Its totient is φ = 34159003776.

The previous prime is 85949660869. The next prime is 85949660887. The reversal of 85949660870 is 7806694958.

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, 1076696 + ... + 1153764.

It is an arithmetic number, because the mean of its divisors is an integer number (4865814450).

Almost surely, 285949660870 is an apocalyptic number.

85949660870 is a deficient number, since it is larger than the sum of its proper divisors (69756401530).

85949660870 is a wasteful number, since it uses less digits than its factorization.

85949660870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77792.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 85949660870 in words is "eighty-five billion, nine hundred forty-nine million, six hundred sixty thousand, eight hundred seventy".

Divisors: 1 2 5 10 229 458 487 974 1145 2290 2435 4870 77069 111523 154138 223046 385345 557615 770690 1115230 17648801 35297602 37532603 75065206 88244005 176488010 187663015 375326030 8594966087 17189932174 42974830435 85949660870