Search a number
-
+
121421104132 = 22193433465379
BaseRepresentation
bin111000100010101000…
…0110000010000000100
3102121102001020011212211
41301011100300100010
53442132300313012
6131440255353204
711525633233066
oct1610520602004
9377361204784
10121421104132
1147549058749
121b647822804
13b5b07449a3
145c3bd8d736
153259b186a7
hex1c45430404

121421104132 has 24 divisors (see below), whose sum is σ = 223736088800. Its totient is φ = 57498382656.

The previous prime is 121421104121. The next prime is 121421104157. The reversal of 121421104132 is 231401124121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28219 + ... + 493597.

Almost surely, 2121421104132 is an apocalyptic number.

It is an amenable number.

121421104132 is a deficient number, since it is larger than the sum of its proper divisors (102314984668).

121421104132 is a wasteful number, since it uses less digits than its factorization.

121421104132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468835 (or 468833 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121421104132 its reverse (231401124121), we get a palindrome (352822228253).

The spelling of 121421104132 in words is "one hundred twenty-one billion, four hundred twenty-one million, one hundred four thousand, one hundred thirty-two".

Divisors: 1 2 4 19 38 76 3433 6866 13732 65227 130454 260908 465379 930758 1861516 8842201 17684402 35368804 1597646107 3195292214 6390584428 30355276033 60710552066 121421104132