Search a number
-
+
85149280000 = 2854532183
BaseRepresentation
bin100111101001101001…
…0101110011100000000
322010210012101121020001
41033103102232130000
52343341203430000
6103041140325344
76103035636511
oct1172322563400
9263705347201
1085149280000
1133125604394
12146043a3854
13804cb9c965
14419a9b8a08
1523355b146a
hex13d34ae700

85149280000 has 90 divisors (see below), whose sum is σ = 212389844744. Its totient is φ = 34059648000.

The previous prime is 85149279997. The next prime is 85149280031. The reversal of 85149280000 is 8294158.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 106092 + ... + 426091.

Almost surely, 285149280000 is an apocalyptic number.

85149280000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85149280000 is an abundant number, since it is smaller than the sum of its proper divisors (127240564744).

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

85149280000 is an frugal number, since it uses more digits than its factorization.

85149280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532219 (or 532190 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 85149280000 in words is "eighty-five billion, one hundred forty-nine million, two hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 625 640 800 1000 1250 1280 1600 2000 2500 3200 4000 5000 6400 8000 10000 16000 20000 32000 40000 80000 160000 532183 1064366 2128732 2660915 4257464 5321830 8514928 10643660 13304575 17029856 21287320 26609150 34059712 42574640 53218300 66522875 68119424 85149280 106436600 133045750 136238848 170298560 212873200 266091500 332614375 340597120 425746400 532183000 665228750 681194240 851492800 1064366000 1330457500 1702985600 2128732000 2660915000 3405971200 4257464000 5321830000 8514928000 10643660000 17029856000 21287320000 42574640000 85149280000