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54217290450 = 2352361448603
BaseRepresentation
bin110010011111100110…
…100011001011010010
312011221111101201112110
4302133212203023102
51342014111243300
640523532410150
73626361236121
oct623746431322
9164844351473
1054217290450
1120aa2279864
12a611316956
1351606c076b
1428a4887ab8
151624c3c550
hexc9f9a32d2

54217290450 has 24 divisors (see below), whose sum is σ = 134458880688. Its totient is φ = 14457944080.

The previous prime is 54217290433. The next prime is 54217290481. The reversal of 54217290450 is 5409271245.

It is a super-2 number, since 2×542172904502 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54217290399 and 54217290408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180724152 + ... + 180724451.

It is an arithmetic number, because the mean of its divisors is an integer number (5602453362).

Almost surely, 254217290450 is an apocalyptic number.

54217290450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54217290450 is an abundant number, since it is smaller than the sum of its proper divisors (80241590238).

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

54217290450 is a wasteful number, since it uses less digits than its factorization.

54217290450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361448618 (or 361448613 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 54217290450 in words is "fifty-four billion, two hundred seventeen million, two hundred ninety thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 361448603 722897206 1084345809 1807243015 2168691618 3614486030 5421729045 9036215075 10843458090 18072430150 27108645225 54217290450