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54215061242020 = 22572337835482571
BaseRepresentation
bin11000101001110111011010…
…11101111000000010100100
321002221220112211112000111221
430110323231131320002210
524101224421134221040
6311150015540110124
714263623521006650
oct1424735535700244
9232856484460457
1054215061242020
1116302529761a08
1260b72aa395344
1324335c5c79cb3
14d56047031a60
156403d144e74a
hex314eed7780a4

54215061242020 has 192 divisors, whose sum is σ = 141122982260736. Its totient is φ = 17090881251840.

The previous prime is 54215061242011. The next prime is 54215061242047. The reversal of 54215061242020 is 2024216051245.

54215061242020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 7147335 + ... + 12629905.

It is an arithmetic number, because the mean of its divisors is an integer number (735015532608).

Almost surely, 254215061242020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54215061242020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70561491130368).

54215061242020 is an abundant number, since it is smaller than the sum of its proper divisors (86907921018716).

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

54215061242020 is a wasteful number, since it uses less digits than its factorization.

54215061242020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482730 (or 5482728 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 54215061242020 its reverse (2024216051245), we get a palindrome (56239277293265).

The spelling of 54215061242020 in words is "fifty-four trillion, two hundred fifteen billion, sixty-one million, two hundred forty-two thousand, twenty".