Search a number
-
+
57200155000 = 235417672943
BaseRepresentation
bin110101010001011001…
…010001100101111000
312110122101011221110021
4311101121101211320
51414121214430000
642135525500224
74063321203202
oct652131214570
9173571157407
1057200155000
1122292aa607a
12b104271674
135517685681
142aa8aad772
15174ba4911a
hexd51651978

57200155000 has 80 divisors (see below), whose sum is σ = 141903701280. Its totient is φ = 21534144000.

The previous prime is 57200154989. The next prime is 57200155043. The reversal of 57200155000 is 55100275.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 19 ways as a sum of consecutive naturals, for example, 251472 + ... + 421471.

It is an arithmetic number, because the mean of its divisors is an integer number (1773796266).

Almost surely, 257200155000 is an apocalyptic number.

57200155000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57200155000 is an abundant number, since it is smaller than the sum of its proper divisors (84703546280).

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

57200155000 is a wasteful number, since it uses less digits than its factorization.

57200155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672986 (or 672967 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

Adding to 57200155000 its reverse (55100275), we get a palindrome (57255255275).

The spelling of 57200155000 in words is "fifty-seven billion, two hundred million, one hundred fifty-five thousand".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 125 136 170 200 250 340 425 500 625 680 850 1000 1250 1700 2125 2500 3400 4250 5000 8500 10625 17000 21250 42500 85000 672943 1345886 2691772 3364715 5383544 6729430 11440031 13458860 16823575 22880062 26917720 33647150 45760124 57200155 67294300 84117875 91520248 114400310 134588600 168235750 228800620 286000775 336471500 420589375 457601240 572001550 672943000 841178750 1144003100 1430003875 1682357500 2288006200 2860007750 3364715000 5720015500 7150019375 11440031000 14300038750 28600077500 57200155000