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28603463145 = 352637250561
BaseRepresentation
bin11010101000111001…
…100011010111101001
32201211102110110221220
4122220321203113221
5432034441310040
621050143252253
72031551265555
oct325071432751
981742413856
1028603463145
1111148a00244
1256632aa089
13290ac59a2a
141554b98865
15b2621a2d0
hex6a8e635e9

28603463145 has 16 divisors (see below), whose sum is σ = 45939560832. Its totient is φ = 15197173760.

The previous prime is 28603463143. The next prime is 28603463153. The reversal of 28603463145 is 54136430682.

It is not a de Polignac number, because 28603463145 - 21 = 28603463143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28603463097 and 28603463106.

It is not an unprimeable number, because it can be changed into a prime (28603463143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3621336 + ... + 3629225.

It is an arithmetic number, because the mean of its divisors is an integer number (2871222552).

Almost surely, 228603463145 is an apocalyptic number.

It is an amenable number.

28603463145 is a deficient number, since it is larger than the sum of its proper divisors (17336097687).

28603463145 is a wasteful number, since it uses less digits than its factorization.

28603463145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7250832.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 28603463145 in words is "twenty-eight billion, six hundred three million, four hundred sixty-three thousand, one hundred forty-five".

Divisors: 1 3 5 15 263 789 1315 3945 7250561 21751683 36252805 108758415 1906897543 5720692629 9534487715 28603463145