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55236017145 = 354285385931
BaseRepresentation
bin110011011100010100…
…101011101111111001
312021120111022101211210
4303130110223233321
51401110410022040
641213003313333
73663541253601
oct633424535771
9167514271753
1055236017145
1121475323251
12a85651b849
13529378661a
14295dcabc01
1516843bc480
hexcdc52bbf9

55236017145 has 16 divisors (see below), whose sum is σ = 88380718272. Its totient is φ = 29458178880.

The previous prime is 55236017131. The next prime is 55236017191. The reversal of 55236017145 is 54171063255.

It is not a de Polignac number, because 55236017145 - 211 = 55236015097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599830 + ... + 685760.

It is an arithmetic number, because the mean of its divisors is an integer number (5523794892).

Almost surely, 255236017145 is an apocalyptic number.

It is an amenable number.

55236017145 is a deficient number, since it is larger than the sum of its proper divisors (33144701127).

55236017145 is a wasteful number, since it uses less digits than its factorization.

55236017145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128792.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 55236017145 in words is "fifty-five billion, two hundred thirty-six million, seventeen thousand, one hundred forty-five".

Divisors: 1 3 5 15 42853 85931 128559 214265 257793 429655 642795 1288965 3682401143 11047203429 18412005715 55236017145