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21214030036050 = 23352312392120947
BaseRepresentation
bin1001101001011010001101…
…01110010111110001010010
32210010001010020011021221000
410310231012232113301102
510240032313142123200
6113041331343042430
74316443304042055
oct464550656276122
983101106137830
1021214030036050
1168399019a7945
1224675078a0416
13bab622495b07
14534a9bc3aa9c
1526bc5b639300
hex134b46b97c52

21214030036050 has 192 divisors, whose sum is σ = 60594635980800. Its totient is φ = 5451679598400.

The previous prime is 21214030036049. The next prime is 21214030036051. The reversal of 21214030036050 is 5063003041212.

21214030036050 is a `hidden beast` number, since 2 + 1 + 21 + 4 + 0 + 30 + 0 + 3 + 605 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (21214030036049) and next prime (21214030036051).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (21214030036051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8941677 + ... + 11062623.

It is an arithmetic number, because the mean of its divisors is an integer number (315597062400).

Almost surely, 221214030036050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21214030036050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30297317990400).

21214030036050 is an abundant number, since it is smaller than the sum of its proper divisors (39380605944750).

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

21214030036050 is a wasteful number, since it uses less digits than its factorization.

21214030036050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121238 (or 2121227 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 21214030036050 its reverse (5063003041212), we get a palindrome (26277033077262).

The spelling of 21214030036050 in words is "twenty-one trillion, two hundred fourteen billion, thirty million, thirty-six thousand, fifty".