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85201070260 = 225291391056823
BaseRepresentation
bin100111101011001100…
…0010010100010110100
322010220210211211002211
41033112120102202310
52343442433222020
6103050230343204
76104235101515
oct1172630224264
9263823754084
1085201070260
1133151868159
12146197bab04
13805a833b97
1441a381aa0c
152339de185a
hex13d66128b4

85201070260 has 48 divisors (see below), whose sum is σ = 186423753600. Its totient is φ = 32668481664.

The previous prime is 85201070249. The next prime is 85201070261. The reversal of 85201070260 is 6207010258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85201070261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447792 + ... + 609031.

It is an arithmetic number, because the mean of its divisors is an integer number (3883828200).

Almost surely, 285201070260 is an apocalyptic number.

It is an amenable number.

85201070260 is an abundant number, since it is smaller than the sum of its proper divisors (101222683340).

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

85201070260 is a wasteful number, since it uses less digits than its factorization.

85201070260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057000 (or 1056998 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 85201070260 in words is "eighty-five billion, two hundred one million, seventy thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 29 58 116 139 145 278 290 556 580 695 1390 2780 4031 8062 16124 20155 40310 80620 1056823 2113646 4227292 5284115 10568230 21136460 30647867 61295734 122591468 146898397 153239335 293796794 306478670 587593588 612957340 734491985 1468983970 2937967940 4260053513 8520107026 17040214052 21300267565 42600535130 85201070260