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55055000016 = 2432382326389
BaseRepresentation
bin110011010001100010…
…001010000111010000
312021002212200210000200
4303101202022013100
51400223040000031
641143015415200
73656212531062
oct632142120720
9167085623020
1055055000016
1121392126415
12a805984500
1352651177b3
142943c2b732
1516735628e6
hexcd188a1d0

55055000016 has 30 divisors (see below), whose sum is σ = 154077535170. Its totient is φ = 18351666624.

The previous prime is 55055000003. The next prime is 55055000017. The reversal of 55055000016 is 61000055055.

It can be written as a sum of positive squares in only one way, i.e., 39881687616 + 15173312400 = 199704^2 + 123180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055000017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191163051 + ... + 191163338.

It is an arithmetic number, because the mean of its divisors is an integer number (5135917839).

Almost surely, 255055000016 is an apocalyptic number.

It is an amenable number.

55055000016 is an abundant number, since it is smaller than the sum of its proper divisors (99022535154).

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

55055000016 is a wasteful number, since it uses less digits than its factorization.

55055000016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382326403 (or 382326394 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 55055000016 in words is "fifty-five billion, fifty-five million, sixteen", and thus it is an aban number and an uban number.

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 382326389 764652778 1146979167 1529305556 2293958334 3058611112 3440937501 4587916668 6117222224 6881875002 9175833336 13763750004 18351666672 27527500008 55055000016