Search a number
-
+
85212747000 = 2332539468083
BaseRepresentation
bin100111101011100010…
…0110101010011111000
322010221121211001120200
41033113010311103320
52344003430401000
6103051324522200
76104436253503
oct1172704652370
9263847731520
1085212747000
1133158413057
12146216b0360
1380600919b4
1441a51ba13a
15233ae4b500
hex13d71354f8

85212747000 has 96 divisors (see below), whose sum is σ = 288019115280. Its totient is φ = 22723396800.

The previous prime is 85212746953. The next prime is 85212747001. The reversal of 85212747000 is 74721258.

It is a super-2 number, since 2×852127470002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85212747001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4725042 + ... + 4743041.

Almost surely, 285212747000 is an apocalyptic number.

It is an amenable number.

85212747000 is an abundant number, since it is smaller than the sum of its proper divisors (202806368280).

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

85212747000 is a wasteful number, since it uses less digits than its factorization.

85212747000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468110 (or 9468093 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 85212747000 in words is "eighty-five billion, two hundred twelve million, seven hundred forty-seven thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 450 500 600 750 900 1000 1125 1500 1800 2250 3000 4500 9000 9468083 18936166 28404249 37872332 47340415 56808498 75744664 85212747 94680830 113616996 142021245 170425494 189361660 227233992 236702075 284042490 340850988 378723320 426063735 473404150 568084980 681701976 710106225 852127470 946808300 1136169960 1183510375 1420212450 1704254940 1893616600 2130318675 2367020750 2840424900 3408509880 3550531125 4260637350 4734041500 5680849800 7101062250 8521274700 9468083000 10651593375 14202124500 17042549400 21303186750 28404249000 42606373500 85212747000