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28600083035861 = 67426866910983
BaseRepresentation
bin1101000000010111110011…
…10010100011011011010101
310202021010210221221121210112
412200023321302203123111
512222040432224121421
6140454410300132405
76011200501465211
oct640137162433325
9122233727847715
1028600083035861
1191272552a8947
12325aa79b37105
1312c5c8cab952c
1470c373bd7941
15348e490bc45b
hex1a02f9ca36d5

28600083035861 has 4 divisors (see below), whose sum is σ = 29026949946912. Its totient is φ = 28173216124812.

The previous prime is 28600083035833. The next prime is 28600083035983. The reversal of 28600083035861 is 16853038000682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28600083035861 - 222 = 28600078841557 is a prime.

It is a super-2 number, since 2×286000830358612 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28600083035561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213433455425 + ... + 213433455558.

It is an arithmetic number, because the mean of its divisors is an integer number (7256737486728).

Almost surely, 228600083035861 is an apocalyptic number.

It is an amenable number.

28600083035861 is a deficient number, since it is larger than the sum of its proper divisors (426866911051).

28600083035861 is an equidigital number, since it uses as much as digits as its factorization.

28600083035861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426866911050.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 28600083035861 in words is "twenty-eight trillion, six hundred billion, eighty-three million, thirty-five thousand, eight hundred sixty-one".

Divisors: 1 67 426866910983 28600083035861