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55718845242 = 239286474207
BaseRepresentation
bin110011111001000110…
…100001101100111010
312022211010211121110220
4303321012201230322
51403103011021432
641332532120510
74011523240644
oct637106415472
9168733747426
1055718845242
11216a2921135
12a970166136
13533c808618
1429a8073894
1516b199272c
hexcf91a1b3a

55718845242 has 8 divisors (see below), whose sum is σ = 111437690496. Its totient is φ = 18572948412.

The previous prime is 55718845241. The next prime is 55718845243. The reversal of 55718845242 is 24254881755.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55718845241) and next prime (55718845243).

It is a sphenic number, since it is the product of 3 distinct primes.

55718845242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55718845241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4643237098 + ... + 4643237109.

It is an arithmetic number, because the mean of its divisors is an integer number (13929711312).

Almost surely, 255718845242 is an apocalyptic number.

55718845242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55718845242 is a wasteful number, since it uses less digits than its factorization.

55718845242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9286474212.

The product of its digits is 3584000, while the sum is 51.

The spelling of 55718845242 in words is "fifty-five billion, seven hundred eighteen million, eight hundred forty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 9286474207 18572948414 27859422621 55718845242