Search a number
-
+
1213030032000 = 27353104924091
BaseRepresentation
bin10001101001101110001…
…110010110001010000000
311021222001011000022121020
4101221232032112022000
5124333241142011000
62325131443225440
7153432005101353
oct21515616261200
94258034008536
101213030032000
11428496913a86
12177115378280
138a507c73107
14429d4c7029a
1521848ac0ba0
hex11a6e396280

1213030032000 has 256 divisors, whose sum is σ = 4025194992000. Its totient is φ = 323152896000.

The previous prime is 1213030031987. The next prime is 1213030032013. The reversal of 1213030032000 is 2300303121.

It is an interprime number because it is at equal distance from previous prime (1213030031987) and next prime (1213030032013).

It is a Harshad number since it is a multiple of its sum of digits (15).

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 31 ways as a sum of consecutive naturals, for example, 50339955 + ... + 50364045.

Almost surely, 21213030032000 is an apocalyptic number.

1213030032000 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 1213030032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2012597496000).

1213030032000 is an abundant number, since it is smaller than the sum of its proper divisors (2812164960000).

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

1213030032000 is a wasteful number, since it uses less digits than its factorization.

1213030032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25172 (or 25150 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1213030032000 its reverse (2300303121), we get a palindrome (1215330335121).

The spelling of 1213030032000 in words is "one trillion, two hundred thirteen billion, thirty million, thirty-two thousand".