Search a number
-
+
115211232850 = 25272127936767
BaseRepresentation
bin110101101001100011…
…1111110011001010010
3102000101021021000221011
41223103013332121102
53341423033422400
6124532144321134
711216020215100
oct1532307763122
9360337230834
10115211232850
114495181251a
121a3b40131aa
13ab3104683c
14580d34cc70
152ee48768ba
hex1ad31fe652

115211232850 has 72 divisors (see below), whose sum is σ = 249481175040. Its totient is φ = 39469036320.

The previous prime is 115211232841. The next prime is 115211232853. The reversal of 115211232850 is 58232112511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (115211232853) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3115167 + ... + 3151933.

It is an arithmetic number, because the mean of its divisors is an integer number (3465016320).

Almost surely, 2115211232850 is an apocalyptic number.

115211232850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115211232850 is an abundant number, since it is smaller than the sum of its proper divisors (134269942190).

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

115211232850 is a wasteful number, since it uses less digits than its factorization.

115211232850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38072 (or 38060 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 115211232850 in words is "one hundred fifteen billion, two hundred eleven million, two hundred thirty-two thousand, eight hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 1279 2450 2558 6395 8953 12790 17906 31975 36767 44765 62671 63950 73534 89530 125342 183835 223825 257369 313355 367670 447650 514738 626710 919175 1286845 1566775 1801583 1838350 2573690 3133550 3603166 6434225 9007915 12868450 18015830 45039575 47024993 90079150 94049986 235124965 329174951 470249930 658349902 1175624825 1645874755 2304224657 2351249650 3291749510 4608449314 8229373775 11521123285 16458747550 23042246570 57605616425 115211232850