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55180383722500 = 22542924721092
BaseRepresentation
bin11001000101111101011110…
…01010111001110000000100
321020101012012211001221010011
430202332233022321300010
524213033411213110000
6313205303543040004
714423436230502001
oct1442765712716004
9236335184057104
1055180383722500
1116644962075163
1262323b2a40004
1324a3645a910ca
14d8aa5db148a8
1565a57d5d52ba
hex322faf2b9c04

55180383722500 has 405 divisors, whose sum is σ = 128870701018059. Its totient is φ = 20666263968000.

The previous prime is 55180383722483. The next prime is 55180383722551. The reversal of 55180383722500 is 522738308155.

The square root of 55180383722500 is 7428350.

It is a perfect power (a square), and thus also a powerful number.

55180383722500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 22 ways, for example, as 55001772677124 + 178611045376 = 7416318^2 + 422624^2 .

It is a Duffinian number.

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 134 ways as a sum of consecutive naturals, for example, 506242052446 + ... + 506242052554.

Almost surely, 255180383722500 is an apocalyptic number.

55180383722500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55180383722500 is the 7428350-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55180383722500

55180383722500 is an abundant number, since it is smaller than the sum of its proper divisors (73690317295559).

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

55180383722500 is an equidigital number, since it uses as much as digits as its factorization.

55180383722500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 55180383722500 in words is "fifty-five trillion, one hundred eighty billion, three hundred eighty-three million, seven hundred twenty-two thousand, five hundred".