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55880256783419 = 71787045870189
BaseRepresentation
bin11001011010010101000101…
…10110110000010000111011
321022212002201011201011011122
430231022202312300100323
524311020231214032134
6314503011403415455
714525133566403515
oct1455124266602073
9238762634634148
1055880256783419
1116894758182622
126325b74b2458b
132524640b44863
14db2894214bb5
1566d89146602e
hex32d2a2db043b

55880256783419 has 4 divisors (see below), whose sum is σ = 56667302653680. Its totient is φ = 55093210913160.

The previous prime is 55880256783413. The next prime is 55880256783427. The reversal of 55880256783419 is 91438765208855.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55880256783419 - 232 = 55875961816123 is a prime.

It is a super-2 number, since 2×558802567834192 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (71), and also a Moran number because the ratio is a prime number: 787045870189 = 55880256783419 / (5 + 5 + 8 + 8 + 0 + 2 + 5 + 6 + 7 + 8 + 3 + 4 + 1 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55880256783413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393522935024 + ... + 393522935165.

It is an arithmetic number, because the mean of its divisors is an integer number (14166825663420).

It is a 1-persistent number, because it is pandigital, but 2⋅55880256783419 = 111760513566838 is not.

Almost surely, 255880256783419 is an apocalyptic number.

55880256783419 is a deficient number, since it is larger than the sum of its proper divisors (787045870261).

55880256783419 is an equidigital number, since it uses as much as digits as its factorization.

55880256783419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787045870260.

The product of its (nonzero) digits is 580608000, while the sum is 71.

The spelling of 55880256783419 in words is "fifty-five trillion, eight hundred eighty billion, two hundred fifty-six million, seven hundred eighty-three thousand, four hundred nineteen".

Divisors: 1 71 787045870189 55880256783419