Search a number
-
+
120000121010000 = 24547111011543013
BaseRepresentation
bin11011010010001110110100…
…100101011111011101010000
3120201212220021202110222110022
4123102032310211133131100
5111212040221434310000
61103115143342323012
734163502602563040
oct3322166445373520
9521786252428408
10120000121010000
1135265846a05880
12115609b1889468
1351c5c6951851a
14218c07316d720
15dd172a0aa585
hex6d23b495f750

120000121010000 has 400 divisors, whose sum is σ = 365808673853568. Its totient is φ = 37032288000000.

The previous prime is 120000121009991. The next prime is 120000121010023. The reversal of 120000121010000 is 10121000021.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 120000121010000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 76998494 + ... + 78541506.

Almost surely, 2120000121010000 is an apocalyptic number.

120000121010000 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 120000121010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182904336926784).

120000121010000 is an abundant number, since it is smaller than the sum of its proper divisors (245808552843568).

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

120000121010000 is a wasteful number, since it uses less digits than its factorization.

120000121010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543160 (or 1543139 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120000121010000 its reverse (10121000021), we get a palindrome (120010242010021).

The spelling of 120000121010000 in words is "one hundred twenty trillion, one hundred twenty-one million, ten thousand".