Search a number
-
+
121425414103412 = 22421448116091353
BaseRepresentation
bin11011100110111110001110…
…101011001010000101110100
3120220221011012212220001022122
4123212332032223022011310
5111403413222002302122
61110130022024015112
734401460646150156
oct3346761653120564
9526834185801278
10121425414103412
1135765257786551
1211751085601498
13529a4a12a8b53
1421db042a18ad6
15e088489d5142
hex6e6f8eaca174

121425414103412 has 24 divisors (see below), whose sum is σ = 213046759247112. Its totient is φ = 60554975846400.

The previous prime is 121425414103373. The next prime is 121425414103429. The reversal of 121425414103412 is 214301414524121.

It can be written as a sum of positive squares in 4 ways, for example, as 493472530576 + 120931941572836 = 702476^2 + 10996906^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499673 + ... + 15591680.

It is an arithmetic number, because the mean of its divisors is an integer number (8876948301963).

Almost surely, 2121425414103412 is an apocalyptic number.

It is an amenable number.

121425414103412 is a deficient number, since it is larger than the sum of its proper divisors (91621345143700).

121425414103412 is a wasteful number, since it uses less digits than its factorization.

121425414103412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16096259 (or 16096257 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 121425414103412 its reverse (214301414524121), we get a palindrome (335726828627533).

The spelling of 121425414103412 in words is "one hundred twenty-one trillion, four hundred twenty-five billion, four hundred fourteen million, one hundred three thousand, four hundred twelve".

Divisors: 1 2 4 421 842 1684 4481 8962 17924 1886501 3773002 7546004 16091353 32182706 64365412 6774459613 13548919226 27097838452 72105352793 144210705586 288421411172 30356353525853 60712707051706 121425414103412