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28534140037 = 1313915790891
BaseRepresentation
bin11010100100110001…
…000110110010000101
32201122121000111112101
4122210301012302011
5431414214440122
621035225352101
72030050121434
oct324461066205
981577014471
1028534140037
1111112861817
125644038631
1328c9797340
1415498b111b
15b200c5027
hex6a4c46c85

28534140037 has 8 divisors (see below), whose sum is σ = 30950148320. Its totient is φ = 26149713840.

The previous prime is 28534140031. The next prime is 28534140067. The reversal of 28534140037 is 73004143582.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28534140037 - 215 = 28534107269 is a prime.

It is a super-2 number, since 2×285341400372 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28534139978 and 28534140005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28534140031) 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, 7893639 + ... + 7897252.

It is an arithmetic number, because the mean of its divisors is an integer number (3868768540).

Almost surely, 228534140037 is an apocalyptic number.

It is an amenable number.

28534140037 is a deficient number, since it is larger than the sum of its proper divisors (2416008283).

28534140037 is a wasteful number, since it uses less digits than its factorization.

28534140037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15791043.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 28534140037 in words is "twenty-eight billion, five hundred thirty-four million, one hundred forty thousand, thirty-seven".

Divisors: 1 13 139 1807 15790891 205281583 2194933849 28534140037