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28601457146 = 227751515323
BaseRepresentation
bin11010101000110001…
…111001100111111010
32201211021200120020122
4122220301321213322
5432033433112041
621050032253242
72031525242303
oct325061714772
981737616218
1028601457146
1111147860099
1256626a1222
13290a706952
1415547d57aa
15b25e70c4b
hex6a8c799fa

28601457146 has 8 divisors (see below), whose sum is σ = 42903814944. Its totient is φ = 14300185500.

The previous prime is 28601457133. The next prime is 28601457149. The reversal of 28601457146 is 64175410682.

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

It is a junction number, because it is equal to n+sod(n) for n = 28601457097 and 28601457106.

It is not an unprimeable number, because it can be changed into a prime (28601457149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202160 + ... + 313163.

It is an arithmetic number, because the mean of its divisors is an integer number (5362976868).

Almost surely, 228601457146 is an apocalyptic number.

28601457146 is a deficient number, since it is larger than the sum of its proper divisors (14302357798).

28601457146 is a wasteful number, since it uses less digits than its factorization.

28601457146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543076.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 28601457146 in words is "twenty-eight billion, six hundred one million, four hundred fifty-seven thousand, one hundred forty-six".

Divisors: 1 2 27751 55502 515323 1030646 14300728573 28601457146