Search a number
-
+
121630010 = 2512163001
BaseRepresentation
bin1110011111111…
…10110100111010
322110212110000012
413033332310322
5222114130020
620022541522
73004560305
oct717766472
9273773005
10121630010
1162725477
12348978a2
131c277b28
1412221b3c
15aa287c5
hex73fed3a

121630010 has 8 divisors (see below), whose sum is σ = 218934036. Its totient is φ = 48652000.

The previous prime is 121629997. The next prime is 121630021. The reversal of 121630010 is 10036121.

It can be written as a sum of positive squares in 2 ways, for example, as 121066009 + 564001 = 11003^2 + 751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6081491 + ... + 6081510.

Almost surely, 2121630010 is an apocalyptic number.

121630010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121630010 is a deficient number, since it is larger than the sum of its proper divisors (97304026).

121630010 is a wasteful number, since it uses less digits than its factorization.

121630010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12163008.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121630010 is about 11028.5996391201. The cubic root of 121630010 is about 495.4656842624.

Adding to 121630010 its reverse (10036121), we get a palindrome (131666131).

The spelling of 121630010 in words is "one hundred twenty-one million, six hundred thirty thousand, ten".

Divisors: 1 2 5 10 12163001 24326002 60815005 121630010