Search a number
-
+
20833603054902 = 232112322773927271
BaseRepresentation
bin1001011110010101100111…
…00000100110110100110110
32201202200011121200022011100
410233022303200212310312
510212314204340224102
6112150454120350530
74250115051050001
oct457126340466466
981680147608140
1020833603054902
116702532880290
122405837615446
13b817a5c34c41
145204cd374538
15261de3268a1c
hex12f2b3826d36

20833603054902 has 192 divisors, whose sum is σ = 51682159226880. Its totient is φ = 6003767563200.

The previous prime is 20833603054861. The next prime is 20833603054903. The reversal of 20833603054902 is 20945030633802.

20833603054902 is a `hidden beast` number, since 2 + 0 + 8 + 33 + 603 + 0 + 5 + 4 + 9 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20833603054903) 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, 763933527 + ... + 763960797.

It is an arithmetic number, because the mean of its divisors is an integer number (269177912640).

Almost surely, 220833603054902 is an apocalyptic number.

20833603054902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20833603054902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25841079613440).

20833603054902 is an abundant number, since it is smaller than the sum of its proper divisors (30848556171978).

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

20833603054902 is a wasteful number, since it uses less digits than its factorization.

20833603054902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28279 (or 28276 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 20833603054902 in words is "twenty trillion, eight hundred thirty-three billion, six hundred three million, fifty-four thousand, nine hundred two".