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28648037233 = 1012063137491
BaseRepresentation
bin11010101011100011…
…100101101101110001
32201221112100002010001
4122223203211231301
5432132344142413
621054414510001
72032632204304
oct325343455561
981845302101
1028648037233
1111171085432
125676205301
13291726552a
14155aa7cb3b
15b2a0c24dd
hex6ab8e5b71

28648037233 has 8 divisors (see below), whose sum is σ = 28945915776. Its totient is φ = 28350438000.

The previous prime is 28648037177. The next prime is 28648037239. The reversal of 28648037233 is 33273084682.

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 28648037233 - 29 = 28648036721 is a prime.

It is a super-3 number, since 3×286480372333 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28648037239) 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, 139618 + ... + 277108.

It is an arithmetic number, because the mean of its divisors is an integer number (3618239472).

Almost surely, 228648037233 is an apocalyptic number.

It is an amenable number.

28648037233 is a deficient number, since it is larger than the sum of its proper divisors (297878543).

28648037233 is a wasteful number, since it uses less digits than its factorization.

28648037233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139655.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 28648037233 in words is "twenty-eight billion, six hundred forty-eight million, thirty-seven thousand, two hundred thirty-three".

Divisors: 1 101 2063 137491 208363 13886591 283643933 28648037233