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127280053 = 2112412503
BaseRepresentation
bin1111001011000…
…10001110110101
322212111111102001
413211202032311
5230040430203
620344015301
73103601605
oct745421665
9285444361
10127280053
116593442a
1236761531
13204a5754
1412c92c05
15b29291d
hex79623b5

127280053 has 8 divisors (see below), whose sum is σ = 128465216. Its totient is φ = 126100800.

The previous prime is 127280047. The next prime is 127280077. The reversal of 127280053 is 350082721.

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

It is a cyclic number.

It is not a de Polignac number, because 127280053 - 29 = 127279541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127280093) 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, 49600 + ... + 52102.

It is an arithmetic number, because the mean of its divisors is an integer number (16058152).

Almost surely, 2127280053 is an apocalyptic number.

It is an amenable number.

127280053 is a deficient number, since it is larger than the sum of its proper divisors (1185163).

127280053 is a wasteful number, since it uses less digits than its factorization.

127280053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 127280053 is about 11281.8461698429. The cubic root of 127280053 is about 503.0217716691.

The spelling of 127280053 in words is "one hundred twenty-seven million, two hundred eighty thousand, fifty-three".

Divisors: 1 211 241 2503 50851 528133 603223 127280053