Search a number
-
+
121910938752000 = 2103532236412221
BaseRepresentation
bin11011101110000010011010…
…001100101101010000000000
3120222122120102221011201102210
4123232002122030231100000
5111434342100310031000
61111141040114142120
734451526465444036
oct3356023214552000
9528576387151383
10121910938752000
1135932158794202
121180b1a6881940
1353041c94b2c18
142216741588556
15e162b38da350
hex6ee09a32d400

121910938752000 has 704 divisors, whose sum is σ = 408159146723328. Its totient is φ = 32298762240000.

The previous prime is 121910938751977. The next prime is 121910938752089. The reversal of 121910938752000 is 257839019121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 54890110890 + ... + 54890113110.

It is an arithmetic number, because the mean of its divisors is an integer number (579771515232).

Almost surely, 2121910938752000 is an apocalyptic number.

121910938752000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121910938752000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204079573361664).

121910938752000 is an abundant number, since it is smaller than the sum of its proper divisors (286248207971328).

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

121910938752000 is a wasteful number, since it uses less digits than its factorization.

121910938752000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 48.

The spelling of 121910938752000 in words is "one hundred twenty-one trillion, nine hundred ten billion, nine hundred thirty-eight million, seven hundred fifty-two thousand".