Search a number
-
+
121030020112 = 2415166175787
BaseRepresentation
bin111000010110111110…
…0111000110000010000
3102120101210100001110111
41300231330320300100
53440332141120422
6131333405211104
711513144124331
oct1605574706020
9376353301414
10121030020112
1147368322511
121b558860a94
13b54a705721
145c0206a288
153235616a77
hex1c2df38c10

121030020112 has 40 divisors (see below), whose sum is σ = 236408843072. Its totient is φ = 60022512000.

The previous prime is 121030020061. The next prime is 121030020127. The reversal of 121030020112 is 211020030121.

It is a super-2 number, since 2×1210300201122 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121030020092 and 121030020101.

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 7 ways as a sum of consecutive naturals, for example, 1559083 + ... + 1634869.

Almost surely, 2121030020112 is an apocalyptic number.

It is an amenable number.

121030020112 is a deficient number, since it is larger than the sum of its proper divisors (115378822960).

121030020112 is a wasteful number, since it uses less digits than its factorization.

121030020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76607 (or 76601 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121030020112 its reverse (211020030121), we get a palindrome (332050050233).

The spelling of 121030020112 in words is "one hundred twenty-one billion, thirty million, twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 151 302 604 661 1208 1322 2416 2644 5288 10576 75787 99811 151574 199622 303148 399244 606296 798488 1212592 1596976 11443837 22887674 45775348 50095207 91550696 100190414 183101392 200380828 400761656 801523312 7564376257 15128752514 30257505028 60515010056 121030020112