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1213102424000 = 26531937415261
BaseRepresentation
bin10001101001110010100…
…010011111111111000000
311021222020012020012202102
4101221302202133333000
5124333413210032000
62325142551005532
7153433544316635
oct21516242377700
94258205205672
101213102424000
11428523769185
121771356698a8
138a519c6b60c
1442a0071618c
15218501203d5
hex11a7289ffc0

1213102424000 has 448 divisors, whose sum is σ = 3327683748480. Its totient is φ = 436285440000.

The previous prime is 1213102423999. The next prime is 1213102424021. The reversal of 1213102424000 is 4242013121.

It is a super-2 number, since 2×12131024240002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 230581370 + ... + 230586630.

It is an arithmetic number, because the mean of its divisors is an integer number (7427865510).

Almost surely, 21213102424000 is an apocalyptic number.

1213102424000 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 1213102424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663841874240).

1213102424000 is an abundant number, since it is smaller than the sum of its proper divisors (2114581324480).

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

1213102424000 is a wasteful number, since it uses less digits than its factorization.

1213102424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1213102424000 its reverse (4242013121), we get a palindrome (1217344437121).

The spelling of 1213102424000 in words is "one trillion, two hundred thirteen billion, one hundred two million, four hundred twenty-four thousand".