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55140410243 = 238292891929
BaseRepresentation
bin110011010110100111…
…111110001110000011
312021022211102001211102
4303112213332032003
51400411421111433
641155310205015
73661300516352
oct632647761603
9167284361742
1055140410243
1121426362386
12a82a4b376b
135279a205a9
142951301999
15167acd44e8
hexcd69fe383

55140410243 has 8 divisors (see below), whose sum is σ = 57607245600. Its totient is φ = 52679360448.

The previous prime is 55140410201. The next prime is 55140410249. The reversal of 55140410243 is 34201404155.

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

It is a de Polignac number, because none of the positive numbers 2k-55140410243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55140410249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426898 + ... + 1465031.

It is an arithmetic number, because the mean of its divisors is an integer number (7200905700).

Almost surely, 255140410243 is an apocalyptic number.

55140410243 is a deficient number, since it is larger than the sum of its proper divisors (2466835357).

55140410243 is a wasteful number, since it uses less digits than its factorization.

55140410243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892781.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 55140410243 its reverse (34201404155), we get a palindrome (89341814398).

The spelling of 55140410243 in words is "fifty-five billion, one hundred forty million, four hundred ten thousand, two hundred forty-three".

Divisors: 1 23 829 19067 2891929 66514367 2397409141 55140410243