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28860157443 = 313740004037
BaseRepresentation
bin11010111000001100…
…110000111000000011
32202111022110220100010
4122320030300320003
5433101200014233
621131433200003
72041116201465
oct327014607003
982438426303
1028860157443
111126a896497
125715260003
13294c1a4450
14157acd8135
15b3da22b63
hex6b8330e03

28860157443 has 8 divisors (see below), whose sum is σ = 41440226128. Its totient is φ = 17760096864.

The previous prime is 28860157429. The next prime is 28860157453. The reversal of 28860157443 is 34475106882.

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

It is not a de Polignac number, because 28860157443 - 24 = 28860157427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28860157392 and 28860157401.

It is not an unprimeable number, because it can be changed into a prime (28860157453) 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, 370001980 + ... + 370002057.

It is an arithmetic number, because the mean of its divisors is an integer number (5180028266).

Almost surely, 228860157443 is an apocalyptic number.

28860157443 is a deficient number, since it is larger than the sum of its proper divisors (12580068685).

28860157443 is a wasteful number, since it uses less digits than its factorization.

28860157443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740004053.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 28860157443 in words is "twenty-eight billion, eight hundred sixty million, one hundred fifty-seven thousand, four hundred forty-three".

Divisors: 1 3 13 39 740004037 2220012111 9620052481 28860157443