Base | Representation |
---|---|
bin | 1101010011001111010… |
… | …1111101000100110101 |
3 | 210211210202210120110102 |
4 | 3110303311331010311 |
5 | 12220433240023001 |
6 | 252550045203445 |
7 | 22336342602530 |
oct | 3246365750465 |
9 | 724722716412 |
10 | 228503048501 |
11 | 889a9017432 |
12 | 38351260585 |
13 | 1871751b750 |
14 | b0b97bba17 |
15 | 5e25956e6b |
hex | 3533d7d135 |
228503048501 has 16 divisors (see below), whose sum is σ = 281249810688. Its totient is φ = 180783792000.
The previous prime is 228503048471. The next prime is 228503048533. The reversal of 228503048501 is 105840305822.
It is not a de Polignac number, because 228503048501 - 218 = 228502786357 is a prime.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228503048101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936601 + ... + 2051201.
It is an arithmetic number, because the mean of its divisors is an integer number (17578113168).
Almost surely, 2228503048501 is an apocalyptic number.
It is an amenable number.
228503048501 is a deficient number, since it is larger than the sum of its proper divisors (52746762187).
228503048501 is a wasteful number, since it uses less digits than its factorization.
228503048501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136532.
The product of its (nonzero) digits is 76800, while the sum is 38.
The spelling of 228503048501 in words is "two hundred twenty-eight billion, five hundred three million, forty-eight thousand, five hundred one".
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